From 7cf071079d5db1b6897ad56ca4111fc69a935658 Mon Sep 17 00:00:00 2001
From: Martin Robinson <mrobinson@igalia.com>
Date: Mon, 27 Jan 2020 14:42:31 +0100
Subject: [PATCH] Enable Mozilla CSS tests for layout_2020 and add expectations

---
 tests/wpt/include-layout-2020.ini             |  4 +
 .../css/abs_float_pref_width.html.ini         |  2 +
 .../css/absolute_block_format_ctx.html.ini    |  2 +
 ...l_with_intervening_inline_block_a.html.ini |  2 +
 ...bsolute_inline_containing_block_a.html.ini |  2 +
 ...solute_z_index_auto_paint_order_a.html.ini |  2 +
 .../meta-layout-2020/css/acid1_a.html.ini     |  2 +
 .../css/acid2-wrapper.html.ini                |  2 +
 .../css/acid2_noscroll.html.ini               |  2 +
 .../meta-layout-2020/css/acid2_ref.html.ini   |  2 +
 .../meta-layout-2020/css/alpha_gif_a.html.ini |  2 +
 .../meta-layout-2020/css/alpha_png_a.html.ini |  2 +
 .../animations/basic-linear-width.html.ini    |  5 +
 .../css/animations/basic-transition.html.ini  |  5 +
 .../css/animations/mixed-units.html.ini       |  5 +
 .../css/animations/transition-raf.html.ini    |  2 +
 .../css/background_position_a.html.ini        |  2 +
 .../css/background_position_keyword.html.ini  |  2 +
 .../css/background_position_percent.html.ini  |  2 +
 .../css/background_repeat_both_a.html.ini     |  2 +
 ...matting_context_margin_collapse_a.html.ini |  2 +
 ...formatting_context_margin_inout_a.html.ini |  2 +
 ...ck_formatting_context_max_width_a.html.ini |  2 +
 .../css/block_replaced_content_b.html.ini     |  2 +
 .../meta-layout-2020/css/blur_a.html.ini      |  2 +
 .../css/border-image-linear-gradient.html.ini |  2 +
 .../css/border_collapse_row_a.html.ini        |  2 +
 .../css/border_collapse_simple_a.html.ini     |  2 +
 .../css/border_inline_split.html.ini          |  2 +
 .../css/border_radius_clip_a.html.ini         |  2 +
 ...border_radius_clipping_contents_a.html.ini |  2 +
 .../css/border_radius_zero_sizes_a.html.ini   |  2 +
 .../css/border_spacing_a.html.ini             |  2 +
 .../css/border_spacing_auto_layout_a.html.ini |  2 +
 .../border_spacing_fixed_layout_a.html.ini    |  2 +
 .../meta-layout-2020/css/borders_a.html.ini   |  2 +
 .../css/box_shadow_bg.html.ini                |  2 +
 .../css/box_shadow_blur_a.html.ini            |  2 +
 .../css/box_shadow_border_box_a.html.ini      |  2 +
 .../css/box_shadow_inset_a.html.ini           |  2 +
 .../css/box_shadow_inset_bg.html.ini          |  2 +
 .../css/box_shadow_paint_order_a.html.ini     |  2 +
 .../css/box_shadow_spread_a.html.ini          |  2 +
 .../css/box_sizing_border_box_a.html.ini      |  2 +
 .../mozilla/meta-layout-2020/css/br.html.ini  |  2 +
 .../css/button_css_width.html.ini             |  2 +
 .../css/canvas_as_block_element_a.html.ini    |  2 +
 .../css/canvas_linear_gradient_a.html.ini     |  2 +
 .../css/canvas_over_area.html.ini             |  2 +
 .../css/canvas_radial_gradient_a.html.ini     |  2 +
 .../meta-layout-2020/css/clip_a.html.ini      |  2 +
 .../css/content_color.html.ini                |  2 +
 .../css/counters_nested_a.html.ini            |  2 +
 .../css/counters_simple_a.html.ini            |  2 +
 .../position-sticky-bottom.html.ini           |  2 +
 .../position-sticky-flexbox.html.ini          |  2 +
 ...n-sticky-get-bounding-client-rect.html.ini | 10 ++
 .../position-sticky-grid.html.ini             |  2 +
 .../position-sticky-inflow-position.html.ini  |  2 +
 .../position-sticky-inline.html.ini           |  2 +
 .../position-sticky-left.html.ini             |  2 +
 .../position-sticky-margins.html.ini          |  2 +
 .../position-sticky-nested-bottom.html.ini    |  2 +
 .../position-sticky-nested-inline.html.ini    |  2 +
 .../position-sticky-nested-left.html.ini      |  2 +
 .../position-sticky-nested-right.html.ini     |  2 +
 .../position-sticky-nested-table.html.ini     |  2 +
 .../position-sticky-nested-top.html.ini       |  2 +
 .../position-sticky-offset-top-left.html.ini  |  7 ++
 .../position-sticky-overflow-padding.html.ini |  2 +
 .../position-sticky-parsing.html.ini          |  4 +
 .../position-sticky-right.html.ini            |  2 +
 ...osition-sticky-table-tfoot-bottom.html.ini |  2 +
 .../position-sticky-table-th-bottom.html.ini  |  2 +
 .../position-sticky-table-th-left.html.ini    |  2 +
 .../position-sticky-table-th-right.html.ini   |  2 +
 .../position-sticky-table-th-top.html.ini     |  2 +
 .../position-sticky-table-thead-top.html.ini  |  2 +
 .../position-sticky-table-tr-bottom.html.ini  |  2 +
 .../position-sticky-table-tr-top.html.ini     |  2 +
 .../position-sticky-top.html.ini              |  2 +
 .../position-sticky-writing-modes.html.ini    |  2 +
 .../css/dirty_viewport.html.ini               |  2 +
 .../css/ellipsis_font_panic.html.ini          |  2 +
 .../css/empty_cells_a.html.ini                |  2 +
 .../css/filter_sepia_a.html.ini               |  2 +
 .../css/fixed_position_css_clip.html.ini      |  2 +
 .../css/flex-item-assign-inline-size.html.ini |  4 +
 .../css/flex_row_direction.html.ini           |  2 +
 .../css/float-abspos.html.ini                 |  4 +
 .../float_cleared_with_just_height.html.ini   |  2 +
 .../css/float_intrinsic_width_a.html.ini      |  2 +
 .../css/float_relative_to_position.html.ini   |  4 +
 .../float_right_intrinsic_width_a.html.ini    |  2 +
 .../css/float_table_a.html.ini                |  2 +
 .../css/floated_negative_margins_a.html.ini   |  2 +
 .../css/floats_inline_margins_a.html.ini      |  2 +
 .../css/floats_margin_collapse_a.html.ini     |  2 +
 ..._margin_collapse_with_clearance_a.html.ini |  2 +
 .../css/font_fallback_01.html.ini             |  2 +
 .../css/font_fallback_02.html.ini             |  2 +
 .../css/font_fallback_03.html.ini             |  2 +
 .../css/get-computed-style-for-url.html.ini   | 31 +++++++
 .../css/iframe/bg_color.html.ini              |  2 +
 .../css/iframe/hide_and_show.html.ini         |  2 +
 .../css/iframe/overflow.html.ini              |  2 +
 .../css/iframe/positioning_margin.html.ini    |  2 +
 .../css/iframe/simple.html.ini                |  2 +
 .../css/iframe/simple_inline_default.html.ini |  2 +
 .../css/iframe/simple_inline_height.html.ini  |  2 +
 .../css/iframe/simple_inline_max.html.ini     |  2 +
 .../css/iframe/simple_inline_min.html.ini     |  2 +
 .../css/iframe/simple_inline_width.html.ini   |  2 +
 .../simple_inline_width_height.html.ini       |  2 +
 .../simple_inline_width_percentage.html.ini   |  2 +
 ..._attributes_vertical_writing_mode.html.ini |  2 +
 .../css/image_percentage_dimen.html.ini       |  2 +
 ...img_width_style_intrinsic_width_a.html.ini |  2 +
 ..._absolute_hypothetical_baseline_a.html.ini |  2 +
 ...line_absolute_hypothetical_clip_a.html.ini |  2 +
 ...olute_hypothetical_line_metrics_a.html.ini |  2 +
 ...e_absolute_hypothetical_metrics_a.html.ini |  2 +
 .../css/inline_block_baseline_a.html.ini      |  2 +
 ...e_block_block_direction_margins_a.html.ini |  2 +
 .../css/inline_block_centering_a.html.ini     |  2 +
 .../inline_block_explicit_height_a.html.ini   |  2 +
 .../css/inline_block_img_a.html.ini           |  2 +
 .../css/inline_block_margin_a.html.ini        |  2 +
 .../inline_block_parent_padding_a.html.ini    |  2 +
 .../css/inline_block_with_margin_a.html.ini   |  2 +
 .../css/inline_border_baseline_a.html.ini     |  2 +
 .../css/inline_element_border_a.html.ini      |  2 +
 .../inline_element_padding_margin.html.ini    |  2 +
 .../css/inline_hypothetical_box_a.html.ini    |  2 +
 .../css/input_alignment_a.html.ini            |  2 +
 .../css/input_button_margins_a.html.ini       |  2 +
 .../input_insertion_point_empty_a.html.ini    |  2 +
 .../css/input_selection_a.html.ini            |  2 +
 .../input_selection_incremental_a.html.ini    |  2 +
 .../css/input_whitespace.html.ini             |  2 +
 .../legacy_cellspacing_attribute_a.html.ini   |  2 +
 .../css/line_break_nowrap.html.ini            |  2 +
 ...ne_breaking_whitespace_collapse_a.html.ini |  2 +
 .../line_height_float_placement_a.html.ini    |  2 +
 .../linear_gradients_non_square_a.html.ini    |  2 +
 .../css/linear_gradients_reverse_a.html.ini   |  2 +
 .../css/linebreak_inline_span_a.html.ini      |  2 +
 .../css/linebreak_simple_a.html.ini           |  2 +
 .../list_item_marker_around_float.html.ini    |  2 +
 .../css/list_style_position_a.html.ini        |  2 +
 .../css/list_style_type_a.html.ini            |  2 +
 .../meta-layout-2020/css/many_brs_a.html.ini  |  2 +
 .../margin_padding_inline_block_a.html.ini    |  2 +
 ...arker_block_direction_placement_a.html.ini |  2 +
 .../meta-layout-2020/css/matchMedia.html.ini  | 23 +++++
 .../css/max_inline_block_size_canvas.html.ini |  2 +
 .../css/media_bogus_query_sequence.html.ini   |  4 +
 .../css/meta_viewport_resize.html.ini         |  5 +
 .../css/min_width_percent_root_a.html.ini     |  2 +
 .../css/minimum_line_height_a.html.ini        |  2 +
 .../css/mix_blend_mode_a.html.ini             |  2 +
 .../css/object_element_a.html.ini             |  2 +
 .../css/offset_properties_inline.html.ini     |  4 +
 .../css/ol_japanese_iroha_a.html.ini          |  2 +
 .../meta-layout-2020/css/ol_simple_a.html.ini |  2 +
 .../css/opacity_simple_a.html.ini             |  2 +
 .../css/outline_offset_a.html.ini             |  2 +
 .../css/outlines_simple_a.html.ini            |  2 +
 .../css/outlines_wrap_a.html.ini              |  2 +
 .../css/overconstrained_block.html.ini        |  2 +
 .../css/overflow_auto.html.ini                |  2 +
 .../css/overflow_border_radius.html.ini       |  2 +
 .../css/overflow_clipping.html.ini            |  2 +
 .../overflow_position_abs_simple_a.html.ini   |  2 +
 .../css/overflow_scroll.html.ini              |  2 +
 .../css/overflow_simple_a.html.ini            |  2 +
 .../css/overflow_transformed_sc.html.ini      |  2 +
 .../overflow_transformed_sc_rotate.html.ini   |  2 +
 .../css/overflow_wrap_a.html.ini              |  2 +
 .../css/overflow_xy_a.html.ini                |  2 +
 .../css/per_glyph_font_fallback_a.html.ini    |  2 +
 .../percentage_width_inline_block_a.html.ini  |  2 +
 .../meta-layout-2020/css/perspective.html.ini |  4 +
 .../css/pixel_snapping_glyphs.html.ini        |  2 +
 ...position_abs_cb_with_non_cb_kid_a.html.ini |  2 +
 .../css/position_abs_height_width_a.html.ini  |  2 +
 .../css/position_abs_nested_a.html.ini        |  2 +
 .../css/position_abs_pseudo_a.html.ini        |  2 +
 .../position_abs_replaced_simple_a.html.ini   |  2 +
 .../css/position_abs_static_y_a.html.ini      |  2 +
 .../css/position_fixed_a.html.ini             |  2 +
 .../css/position_fixed_static_y_a.html.ini    |  2 +
 .../css/position_relative_a.html.ini          |  2 +
 ...osition_relative_painting_order_a.html.ini |  2 +
 ...ition_relative_stacking_context_a.html.ini |  2 +
 ...ative_stacking_context_contents_a.html.ini |  2 +
 ...osition_relative_top_percentage_a.html.ini |  2 +
 .../css/pseudo_content_with_layers.html.ini   |  2 +
 .../css/pseudo_element_a.html.ini             |  2 +
 .../pseudo_element_spacing_margin.html.ini    |  2 +
 .../pseudo_element_spacing_padding.html.ini   |  2 +
 .../css/pseudo_inherit.html.ini               |  2 +
 .../css/quotes_simple_a.html.ini              |  2 +
 .../css/relative_position_clip_a.html.ini     |  2 +
 .../css/root_height_a.html.ini                |  2 +
 .../meta-layout-2020/css/rtl_body.html.ini    |  2 +
 .../css/rtl_margin_a.html.ini                 |  2 +
 ...nline_absolute_containing_block_a.html.ini |  2 +
 .../css/stacked_layers.html.ini               |  2 +
 ...ntext_overflow_relative_outline_a.html.ini |  2 +
 .../css/stacking_order_overflow_auto.html.ini |  2 +
 .../stacking_order_overflow_scroll.html.ini   |  2 +
 .../css/stylesheet_media_queries.html.ini     |  4 +
 .../css/submit_focus_a.html.ini               |  2 +
 .../css/table_caption_bottom_a.html.ini       |  2 +
 .../css/table_caption_top_a.html.ini          |  2 +
 .../css/table_cell_float_a.html.ini           |  2 +
 .../css/table_center_a.html.ini               |  2 +
 .../css/table_colspan_fixed_a.html.ini        |  2 +
 .../css/table_colspan_simple_a.html.ini       |  2 +
 .../css/table_colspan_spacing_a.html.ini      |  2 +
 .../css/table_expansion_to_fit_a.html.ini     |  2 +
 ...intrinsic_style_specified_width_a.html.ini |  2 +
 .../css/table_margin_a.html.ini               |  2 +
 .../css/table_margin_auto_a.html.ini          |  2 +
 .../css/table_padding_a.html.ini              |  2 +
 .../css/table_percentage_width_a.html.ini     |  2 +
 .../css/table_rowspan_notequal_a.html.ini     |  2 +
 .../css/table_rowspan_simple_a.html.ini       |  2 +
 .../css/table_specified_width_a.html.ini      |  2 +
 .../table_vertical_align_absolute_a.html.ini  |  2 +
 ...ble_vertical_align_margin_padding.html.ini |  2 +
 .../css/test_variable_legal_values.html.ini   | 70 ++++++++++++++
 ...t_variable_serialization_computed.html.ini | 91 +++++++++++++++++++
 .../css/text_align_complex_a.html.ini         |  2 +
 .../css/text_align_justify_a.html.ini         |  2 +
 .../css/text_align_start_end.html.ini         |  2 +
 .../css/text_decoration_smoke_a.html.ini      |  2 +
 ...text_decoration_underline_subpx_a.html.ini |  2 +
 .../css/text_indent_a.html.ini                |  2 +
 .../css/text_overflow_basic_a.html.ini        |  2 +
 .../css/text_overflow_ellipsis.html.ini       |  2 +
 .../css/text_overflow_string.html.ini         |  2 +
 .../css/text_shadow_decorations_a.html.ini    |  2 +
 .../text_shadow_multiple_shadows_a.html.ini   |  2 +
 .../css/text_shadow_simple_a.html.ini         |  2 +
 .../css/text_transform_capitalize_a.html.ini  |  2 +
 .../css/text_transform_lowercase_a.html.ini   |  2 +
 .../css/text_transform_uppercase_a.html.ini   |  2 +
 .../css/transform_3d.html.ini                 |  2 +
 ...ransform_3d_from_outside_viewport.html.ini |  2 +
 .../css/transform_optimization.html.ini       |  2 +
 .../css/transform_simple_a.html.ini           |  2 +
 .../css/translate_clip.html.ini               |  2 +
 .../css/translate_clip_nested.html.ini        |  2 +
 .../css/vertical-lr-blocks.html.ini           |  2 +
 .../css/vertical_align_bottom_a.html.ini      |  2 +
 .../vertical_align_inline_block_a.html.ini    |  2 +
 .../css/vertical_align_middle_a.html.ini      |  2 +
 .../css/vertical_align_sub_a.html.ini         |  2 +
 .../css/vertical_align_super_a.html.ini       |  2 +
 .../css/vertical_align_text_bottom_a.html.ini |  2 +
 .../css/vertical_align_top_bottom_a.html.ini  |  2 +
 .../css/viewport_meta.html.ini                |  2 +
 .../css/viewport_rule.html.ini                |  2 +
 .../css/visibility_hidden.html.ini            |  2 +
 .../css/white-space-mixed-002.htm.ini         |  2 +
 .../css/white-space-pre-wrap.htm.ini          |  2 +
 .../white_space_intrinsic_sizes_a.html.ini    |  2 +
 .../css/whitespace_nowrap_a.html.ini          |  2 +
 .../css/whitespace_pre.html.ini               |  2 +
 .../css/word-break-keep-all-005.htm.ini       |  2 +
 .../css/word-break-keep-all-006.htm.ini       |  2 +
 .../css/word-break-keep-all-007.htm.ini       |  2 +
 .../css/word_break_a.html.ini                 |  2 +
 .../css/writing-mode_change_display.html.ini  |  4 +
 tests/wpt/run.py                              |  1 +
 tests/wpt/update.py                           |  1 +
 278 files changed, 806 insertions(+)
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/abs_float_pref_width.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/absolute_block_format_ctx.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/absolute_hypothetical_with_intervening_inline_block_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/absolute_inline_containing_block_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/absolute_z_index_auto_paint_order_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/acid1_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/acid2-wrapper.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/acid2_noscroll.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/acid2_ref.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/alpha_gif_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/alpha_png_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/animations/basic-linear-width.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/animations/basic-transition.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/animations/mixed-units.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/animations/transition-raf.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/background_position_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/background_position_keyword.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/background_position_percent.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/background_repeat_both_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_collapse_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_inout_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_max_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/block_replaced_content_b.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/blur_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border-image-linear-gradient.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_collapse_row_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_collapse_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_inline_split.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_radius_clip_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_radius_clipping_contents_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_radius_zero_sizes_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_spacing_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_spacing_auto_layout_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/border_spacing_fixed_layout_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/borders_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_bg.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_blur_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_border_box_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_bg.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_paint_order_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_shadow_spread_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/box_sizing_border_box_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/br.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/button_css_width.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/canvas_as_block_element_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/canvas_linear_gradient_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/canvas_over_area.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/canvas_radial_gradient_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/clip_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/content_color.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/counters_nested_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/counters_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-bottom.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-flexbox.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-get-bounding-client-rect.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-grid.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inflow-position.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inline.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-left.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-margins.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-bottom.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/img_width_style_intrinsic_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_baseline_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_clip_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_line_metrics_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_block_baseline_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_block_margin_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_block_parent_padding_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/inline_element_padding_margin.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/input_alignment_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/input_button_margins_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/input_selection_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/input_selection_incremental_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/legacy_cellspacing_attribute_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/line_break_nowrap.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_non_square_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_reverse_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/linebreak_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/list_item_marker_around_float.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/list_style_position_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/list_style_type_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/many_brs_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/margin_padding_inline_block_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/marker_block_direction_placement_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/matchMedia.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/max_inline_block_size_canvas.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/media_bogus_query_sequence.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/mix_blend_mode_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/object_element_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/offset_properties_inline.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/ol_japanese_iroha_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/ol_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/opacity_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/outline_offset_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/outlines_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/outlines_wrap_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overconstrained_block.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_auto.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_border_radius.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_clipping.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_position_abs_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_scroll.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc_rotate.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_wrap_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/overflow_xy_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/per_glyph_font_fallback_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/percentage_width_inline_block_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/perspective.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pixel_snapping_glyphs.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_cb_with_non_cb_kid_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_height_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_nested_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_pseudo_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_replaced_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_abs_static_y_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_fixed_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_fixed_static_y_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_relative_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_relative_painting_order_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_contents_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/position_relative_top_percentage_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pseudo_content_with_layers.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_margin.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_padding.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/pseudo_inherit.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/quotes_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/relative_position_clip_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/root_height_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/rtl_body.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/rtl_margin_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/stacking_context_overflow_relative_outline_a.html.ini
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 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/stylesheet_media_queries.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/submit_focus_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_caption_bottom_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_caption_top_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_cell_float_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_center_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_colspan_fixed_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_colspan_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_colspan_spacing_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_expansion_to_fit_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_intrinsic_style_specified_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_margin_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_margin_auto_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_padding_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_percentage_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_notequal_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_specified_width_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_absolute_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_margin_padding.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/test_variable_legal_values.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/test_variable_serialization_computed.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_align_complex_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_align_justify_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_align_start_end.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_decoration_smoke_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_decoration_underline_subpx_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_indent_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_overflow_basic_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_overflow_ellipsis.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_overflow_string.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_shadow_decorations_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_shadow_multiple_shadows_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_shadow_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_transform_capitalize_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_transform_lowercase_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/text_transform_uppercase_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/transform_3d.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/transform_3d_from_outside_viewport.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/transform_optimization.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/transform_simple_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/translate_clip.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/translate_clip_nested.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical-lr-blocks.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_bottom_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_inline_block_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_middle_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_sub_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_super_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_text_bottom_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/vertical_align_top_bottom_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/viewport_meta.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/viewport_rule.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/visibility_hidden.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/white-space-mixed-002.htm.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/white-space-pre-wrap.htm.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/white_space_intrinsic_sizes_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/whitespace_nowrap_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/whitespace_pre.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-005.htm.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-006.htm.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-007.htm.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/word_break_a.html.ini
 create mode 100644 tests/wpt/mozilla/meta-layout-2020/css/writing-mode_change_display.html.ini

diff --git a/tests/wpt/include-layout-2020.ini b/tests/wpt/include-layout-2020.ini
index 3f87f4be2e2..f689dde483b 100644
--- a/tests/wpt/include-layout-2020.ini
+++ b/tests/wpt/include-layout-2020.ini
@@ -1,4 +1,8 @@
 skip: true
+[_mozilla]
+  skip: true
+  [css]
+    skip: false
 [css]
   skip: true
   [CSS2]
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/abs_float_pref_width.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/abs_float_pref_width.html.ini
new file mode 100644
index 00000000000..c6455058c8c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/abs_float_pref_width.html.ini
@@ -0,0 +1,2 @@
+[abs_float_pref_width.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/absolute_block_format_ctx.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/absolute_block_format_ctx.html.ini
new file mode 100644
index 00000000000..332ed5777ee
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/absolute_block_format_ctx.html.ini
@@ -0,0 +1,2 @@
+[absolute_block_format_ctx.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/absolute_hypothetical_with_intervening_inline_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/absolute_hypothetical_with_intervening_inline_block_a.html.ini
new file mode 100644
index 00000000000..4ea853c0158
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/absolute_hypothetical_with_intervening_inline_block_a.html.ini
@@ -0,0 +1,2 @@
+[absolute_hypothetical_with_intervening_inline_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/absolute_inline_containing_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/absolute_inline_containing_block_a.html.ini
new file mode 100644
index 00000000000..eb5471a558b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/absolute_inline_containing_block_a.html.ini
@@ -0,0 +1,2 @@
+[absolute_inline_containing_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/absolute_z_index_auto_paint_order_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/absolute_z_index_auto_paint_order_a.html.ini
new file mode 100644
index 00000000000..782184c1cff
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/absolute_z_index_auto_paint_order_a.html.ini
@@ -0,0 +1,2 @@
+[absolute_z_index_auto_paint_order_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/acid1_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/acid1_a.html.ini
new file mode 100644
index 00000000000..df0718b2040
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/acid1_a.html.ini
@@ -0,0 +1,2 @@
+[acid1_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/acid2-wrapper.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/acid2-wrapper.html.ini
new file mode 100644
index 00000000000..0ca46459b4d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/acid2-wrapper.html.ini
@@ -0,0 +1,2 @@
+[acid2-wrapper.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/acid2_noscroll.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/acid2_noscroll.html.ini
new file mode 100644
index 00000000000..2650a722241
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/acid2_noscroll.html.ini
@@ -0,0 +1,2 @@
+[acid2_noscroll.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/acid2_ref.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/acid2_ref.html.ini
new file mode 100644
index 00000000000..acbcb878252
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/acid2_ref.html.ini
@@ -0,0 +1,2 @@
+[acid2_ref.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/alpha_gif_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/alpha_gif_a.html.ini
new file mode 100644
index 00000000000..7ef59b05973
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/alpha_gif_a.html.ini
@@ -0,0 +1,2 @@
+[alpha_gif_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/alpha_png_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/alpha_png_a.html.ini
new file mode 100644
index 00000000000..c5bfb67615f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/alpha_png_a.html.ini
@@ -0,0 +1,2 @@
+[alpha_png_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-linear-width.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-linear-width.html.ini
new file mode 100644
index 00000000000..df31f29431e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-linear-width.html.ini
@@ -0,0 +1,5 @@
+[basic-linear-width.html]
+  expected: ERROR
+  [Animation test: Linear animation repeated infinitely.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-transition.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-transition.html.ini
new file mode 100644
index 00000000000..aad401f6822
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/animations/basic-transition.html.ini
@@ -0,0 +1,5 @@
+[basic-transition.html]
+  expected: ERROR
+  [Transition test]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/animations/mixed-units.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/animations/mixed-units.html.ini
new file mode 100644
index 00000000000..a5bb5016972
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/animations/mixed-units.html.ini
@@ -0,0 +1,5 @@
+[mixed-units.html]
+  expected: ERROR
+  [Animation test: mixed units.]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/animations/transition-raf.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/animations/transition-raf.html.ini
new file mode 100644
index 00000000000..9c4652f5544
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/animations/transition-raf.html.ini
@@ -0,0 +1,2 @@
+[transition-raf.html]
+  expected: ERROR
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/background_position_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/background_position_a.html.ini
new file mode 100644
index 00000000000..b1703b41b6c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/background_position_a.html.ini
@@ -0,0 +1,2 @@
+[background_position_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/background_position_keyword.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/background_position_keyword.html.ini
new file mode 100644
index 00000000000..2d597190196
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/background_position_keyword.html.ini
@@ -0,0 +1,2 @@
+[background_position_keyword.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/background_position_percent.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/background_position_percent.html.ini
new file mode 100644
index 00000000000..08c81374b0f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/background_position_percent.html.ini
@@ -0,0 +1,2 @@
+[background_position_percent.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/background_repeat_both_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/background_repeat_both_a.html.ini
new file mode 100644
index 00000000000..b2ac1e22aa4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/background_repeat_both_a.html.ini
@@ -0,0 +1,2 @@
+[background_repeat_both_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_collapse_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_collapse_a.html.ini
new file mode 100644
index 00000000000..ffb994715be
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_collapse_a.html.ini
@@ -0,0 +1,2 @@
+[block_formatting_context_margin_collapse_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_inout_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_inout_a.html.ini
new file mode 100644
index 00000000000..7bb6c05416f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_margin_inout_a.html.ini
@@ -0,0 +1,2 @@
+[block_formatting_context_margin_inout_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_max_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_max_width_a.html.ini
new file mode 100644
index 00000000000..72df7976703
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/block_formatting_context_max_width_a.html.ini
@@ -0,0 +1,2 @@
+[block_formatting_context_max_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/block_replaced_content_b.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/block_replaced_content_b.html.ini
new file mode 100644
index 00000000000..c94aeb74f97
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/block_replaced_content_b.html.ini
@@ -0,0 +1,2 @@
+[block_replaced_content_b.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/blur_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/blur_a.html.ini
new file mode 100644
index 00000000000..a9106bf0ef1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/blur_a.html.ini
@@ -0,0 +1,2 @@
+[blur_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border-image-linear-gradient.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border-image-linear-gradient.html.ini
new file mode 100644
index 00000000000..8d77b5c6d2f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border-image-linear-gradient.html.ini
@@ -0,0 +1,2 @@
+[border-image-linear-gradient.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_row_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_row_a.html.ini
new file mode 100644
index 00000000000..55f28ed8d7b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_row_a.html.ini
@@ -0,0 +1,2 @@
+[border_collapse_row_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_simple_a.html.ini
new file mode 100644
index 00000000000..cbf11ab31f3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_collapse_simple_a.html.ini
@@ -0,0 +1,2 @@
+[border_collapse_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_inline_split.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_inline_split.html.ini
new file mode 100644
index 00000000000..d7d23f038be
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_inline_split.html.ini
@@ -0,0 +1,2 @@
+[border_inline_split.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clip_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clip_a.html.ini
new file mode 100644
index 00000000000..833b04a6a88
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clip_a.html.ini
@@ -0,0 +1,2 @@
+[border_radius_clip_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clipping_contents_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clipping_contents_a.html.ini
new file mode 100644
index 00000000000..818e0785d6d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_clipping_contents_a.html.ini
@@ -0,0 +1,2 @@
+[border_radius_clipping_contents_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_radius_zero_sizes_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_zero_sizes_a.html.ini
new file mode 100644
index 00000000000..60ed21cb27b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_radius_zero_sizes_a.html.ini
@@ -0,0 +1,2 @@
+[border_radius_zero_sizes_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_a.html.ini
new file mode 100644
index 00000000000..a80f1b6a5d5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_a.html.ini
@@ -0,0 +1,2 @@
+[border_spacing_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_auto_layout_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_auto_layout_a.html.ini
new file mode 100644
index 00000000000..4d728ff1998
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_auto_layout_a.html.ini
@@ -0,0 +1,2 @@
+[border_spacing_auto_layout_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_fixed_layout_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_fixed_layout_a.html.ini
new file mode 100644
index 00000000000..0335654f291
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/border_spacing_fixed_layout_a.html.ini
@@ -0,0 +1,2 @@
+[border_spacing_fixed_layout_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/borders_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/borders_a.html.ini
new file mode 100644
index 00000000000..e095597b82b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/borders_a.html.ini
@@ -0,0 +1,2 @@
+[borders_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_bg.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_bg.html.ini
new file mode 100644
index 00000000000..dc3fa71d754
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_bg.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_bg.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_blur_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_blur_a.html.ini
new file mode 100644
index 00000000000..0db3f46eb02
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_blur_a.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_blur_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_border_box_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_border_box_a.html.ini
new file mode 100644
index 00000000000..49935fa217b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_border_box_a.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_border_box_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_a.html.ini
new file mode 100644
index 00000000000..63c8dd2b18f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_a.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_inset_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_bg.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_bg.html.ini
new file mode 100644
index 00000000000..25cbca6fbc2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_inset_bg.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_inset_bg.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_paint_order_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_paint_order_a.html.ini
new file mode 100644
index 00000000000..4e56dee952d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_paint_order_a.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_paint_order_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_spread_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_spread_a.html.ini
new file mode 100644
index 00000000000..b5505ffd8f9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_shadow_spread_a.html.ini
@@ -0,0 +1,2 @@
+[box_shadow_spread_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/box_sizing_border_box_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/box_sizing_border_box_a.html.ini
new file mode 100644
index 00000000000..13cc53ff470
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/box_sizing_border_box_a.html.ini
@@ -0,0 +1,2 @@
+[box_sizing_border_box_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/br.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/br.html.ini
new file mode 100644
index 00000000000..d4cc92b6bf0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/br.html.ini
@@ -0,0 +1,2 @@
+[br.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/button_css_width.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/button_css_width.html.ini
new file mode 100644
index 00000000000..34899c0aabc
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/button_css_width.html.ini
@@ -0,0 +1,2 @@
+[button_css_width.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/canvas_as_block_element_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/canvas_as_block_element_a.html.ini
new file mode 100644
index 00000000000..ec277801e55
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/canvas_as_block_element_a.html.ini
@@ -0,0 +1,2 @@
+[canvas_as_block_element_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/canvas_linear_gradient_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/canvas_linear_gradient_a.html.ini
new file mode 100644
index 00000000000..2a87c62502f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/canvas_linear_gradient_a.html.ini
@@ -0,0 +1,2 @@
+[canvas_linear_gradient_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/canvas_over_area.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/canvas_over_area.html.ini
new file mode 100644
index 00000000000..15dfca6355d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/canvas_over_area.html.ini
@@ -0,0 +1,2 @@
+[canvas_over_area.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/canvas_radial_gradient_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/canvas_radial_gradient_a.html.ini
new file mode 100644
index 00000000000..52ba6958c05
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/canvas_radial_gradient_a.html.ini
@@ -0,0 +1,2 @@
+[canvas_radial_gradient_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/clip_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/clip_a.html.ini
new file mode 100644
index 00000000000..7fb7266d9d7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/clip_a.html.ini
@@ -0,0 +1,2 @@
+[clip_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/content_color.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/content_color.html.ini
new file mode 100644
index 00000000000..be83973c5a3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/content_color.html.ini
@@ -0,0 +1,2 @@
+[content_color.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/counters_nested_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/counters_nested_a.html.ini
new file mode 100644
index 00000000000..a66daacf2b8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/counters_nested_a.html.ini
@@ -0,0 +1,2 @@
+[counters_nested_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/counters_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/counters_simple_a.html.ini
new file mode 100644
index 00000000000..65b91d00168
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/counters_simple_a.html.ini
@@ -0,0 +1,2 @@
+[counters_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-bottom.html.ini
new file mode 100644
index 00000000000..bbcf4b45799
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-bottom.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-flexbox.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-flexbox.html.ini
new file mode 100644
index 00000000000..888c40c46df
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-flexbox.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-flexbox.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-get-bounding-client-rect.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-get-bounding-client-rect.html.ini
new file mode 100644
index 00000000000..b265095481d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-get-bounding-client-rect.html.ini
@@ -0,0 +1,10 @@
+[position-sticky-get-bounding-client-rect.html]
+  [sticky positioned element should be observable by getBoundingClientRect.]
+    expected: FAIL
+
+  [getBoundingClientRect should be correct for sticky after script insertion]
+    expected: FAIL
+
+  [getBoundingClientRect should be correct for sticky after script-caused layout]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-grid.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-grid.html.ini
new file mode 100644
index 00000000000..9a86e2d8c1f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-grid.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-grid.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inflow-position.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inflow-position.html.ini
new file mode 100644
index 00000000000..38754282bef
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inflow-position.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-inflow-position.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inline.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inline.html.ini
new file mode 100644
index 00000000000..675e85540aa
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-inline.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-inline.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-left.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-left.html.ini
new file mode 100644
index 00000000000..bea8b59d06c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-left.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-left.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-margins.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-margins.html.ini
new file mode 100644
index 00000000000..91a46397b03
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-margins.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-margins.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-bottom.html.ini
new file mode 100644
index 00000000000..01473f16337
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-bottom.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-inline.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-inline.html.ini
new file mode 100644
index 00000000000..c65e9ee6109
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-inline.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-inline.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-left.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-left.html.ini
new file mode 100644
index 00000000000..af2befe87e6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-left.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-left.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-right.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-right.html.ini
new file mode 100644
index 00000000000..c3056bb04e8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-right.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-right.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-table.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-table.html.ini
new file mode 100644
index 00000000000..ec09ce6bc82
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-table.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-table.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-top.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-top.html.ini
new file mode 100644
index 00000000000..34cf416af51
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-nested-top.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-nested-top.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-offset-top-left.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-offset-top-left.html.ini
new file mode 100644
index 00000000000..94f7fef01fb
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-offset-top-left.html.ini
@@ -0,0 +1,7 @@
+[position-sticky-offset-top-left.html]
+  [offsetTop/offsetLeft should be correct for sticky after script insertion]
+    expected: FAIL
+
+  [offsetTop/offsetLeft should be correct for sticky after script-caused layout]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-overflow-padding.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-overflow-padding.html.ini
new file mode 100644
index 00000000000..e3e403d5496
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-overflow-padding.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-overflow-padding.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-parsing.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-parsing.html.ini
new file mode 100644
index 00000000000..34e8ebda1a8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-parsing.html.ini
@@ -0,0 +1,4 @@
+[position-sticky-parsing.html]
+  [The value of sticky for the position property should be parsed correctly]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-right.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-right.html.ini
new file mode 100644
index 00000000000..168e97384fc
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-right.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-right.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tfoot-bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tfoot-bottom.html.ini
new file mode 100644
index 00000000000..b7f42945145
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tfoot-bottom.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-tfoot-bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-bottom.html.ini
new file mode 100644
index 00000000000..b99b34b296a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-bottom.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-th-bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-left.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-left.html.ini
new file mode 100644
index 00000000000..7fc8d47f66f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-left.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-th-left.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-right.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-right.html.ini
new file mode 100644
index 00000000000..6d90c77e4a2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-right.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-th-right.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-top.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-top.html.ini
new file mode 100644
index 00000000000..c80a26636fa
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-th-top.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-th-top.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-thead-top.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-thead-top.html.ini
new file mode 100644
index 00000000000..0c80cd986e9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-thead-top.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-thead-top.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-bottom.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-bottom.html.ini
new file mode 100644
index 00000000000..2b7fe555dee
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-bottom.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-tr-bottom.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-top.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-top.html.ini
new file mode 100644
index 00000000000..74952619651
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-table-tr-top.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-table-tr-top.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-top.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-top.html.ini
new file mode 100644
index 00000000000..62f8d7a2409
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-top.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-top.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-writing-modes.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-writing-modes.html.ini
new file mode 100644
index 00000000000..e49ba16e303
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/css-position-3/position-sticky-writing-modes.html.ini
@@ -0,0 +1,2 @@
+[position-sticky-writing-modes.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/dirty_viewport.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/dirty_viewport.html.ini
new file mode 100644
index 00000000000..799204061d4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/dirty_viewport.html.ini
@@ -0,0 +1,2 @@
+[dirty_viewport.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/ellipsis_font_panic.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/ellipsis_font_panic.html.ini
new file mode 100644
index 00000000000..812d3f0a74d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/ellipsis_font_panic.html.ini
@@ -0,0 +1,2 @@
+[ellipsis_font_panic.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/empty_cells_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/empty_cells_a.html.ini
new file mode 100644
index 00000000000..c33581d6260
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/empty_cells_a.html.ini
@@ -0,0 +1,2 @@
+[empty_cells_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/filter_sepia_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/filter_sepia_a.html.ini
new file mode 100644
index 00000000000..8f1ccef2a82
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/filter_sepia_a.html.ini
@@ -0,0 +1,2 @@
+[filter_sepia_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/fixed_position_css_clip.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/fixed_position_css_clip.html.ini
new file mode 100644
index 00000000000..01a19cb29a0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/fixed_position_css_clip.html.ini
@@ -0,0 +1,2 @@
+[fixed_position_css_clip.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/flex-item-assign-inline-size.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/flex-item-assign-inline-size.html.ini
new file mode 100644
index 00000000000..b665ed510ac
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/flex-item-assign-inline-size.html.ini
@@ -0,0 +1,4 @@
+[flex-item-assign-inline-size.html]
+  [Test inline size against percentage]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/flex_row_direction.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/flex_row_direction.html.ini
new file mode 100644
index 00000000000..c448dfe024e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/flex_row_direction.html.ini
@@ -0,0 +1,2 @@
+[flex_row_direction.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float-abspos.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float-abspos.html.ini
new file mode 100644
index 00000000000..50046a02046
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float-abspos.html.ini
@@ -0,0 +1,4 @@
+[float-abspos.html]
+  [A positioned element's float value computes to none]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float_cleared_with_just_height.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float_cleared_with_just_height.html.ini
new file mode 100644
index 00000000000..f3653948489
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float_cleared_with_just_height.html.ini
@@ -0,0 +1,2 @@
+[float_cleared_with_just_height.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float_intrinsic_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float_intrinsic_width_a.html.ini
new file mode 100644
index 00000000000..ba41eb4f1be
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float_intrinsic_width_a.html.ini
@@ -0,0 +1,2 @@
+[float_intrinsic_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float_relative_to_position.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float_relative_to_position.html.ini
new file mode 100644
index 00000000000..fa68160e643
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float_relative_to_position.html.ini
@@ -0,0 +1,4 @@
+[float_relative_to_position.html]
+  [Tests the relationship between float and position]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float_right_intrinsic_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float_right_intrinsic_width_a.html.ini
new file mode 100644
index 00000000000..6416444b2df
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float_right_intrinsic_width_a.html.ini
@@ -0,0 +1,2 @@
+[float_right_intrinsic_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/float_table_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/float_table_a.html.ini
new file mode 100644
index 00000000000..e5caa1eca6b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/float_table_a.html.ini
@@ -0,0 +1,2 @@
+[float_table_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/floated_negative_margins_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/floated_negative_margins_a.html.ini
new file mode 100644
index 00000000000..318e3cca6ea
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/floated_negative_margins_a.html.ini
@@ -0,0 +1,2 @@
+[floated_negative_margins_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/floats_inline_margins_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/floats_inline_margins_a.html.ini
new file mode 100644
index 00000000000..5c981aa640f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/floats_inline_margins_a.html.ini
@@ -0,0 +1,2 @@
+[floats_inline_margins_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_a.html.ini
new file mode 100644
index 00000000000..6460fdb8036
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_a.html.ini
@@ -0,0 +1,2 @@
+[floats_margin_collapse_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_with_clearance_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_with_clearance_a.html.ini
new file mode 100644
index 00000000000..ce0ab0b1ec1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/floats_margin_collapse_with_clearance_a.html.ini
@@ -0,0 +1,2 @@
+[floats_margin_collapse_with_clearance_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_01.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_01.html.ini
new file mode 100644
index 00000000000..1a0aa3f0f08
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_01.html.ini
@@ -0,0 +1,2 @@
+[font_fallback_01.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_02.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_02.html.ini
new file mode 100644
index 00000000000..06d1a627448
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_02.html.ini
@@ -0,0 +1,2 @@
+[font_fallback_02.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_03.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_03.html.ini
new file mode 100644
index 00000000000..b53d61d8e9f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/font_fallback_03.html.ini
@@ -0,0 +1,2 @@
+[font_fallback_03.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/get-computed-style-for-url.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/get-computed-style-for-url.html.ini
new file mode 100644
index 00000000000..2d54cd6b08c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/get-computed-style-for-url.html.ini
@@ -0,0 +1,31 @@
+[get-computed-style-for-url.html]
+  [getComputedStyle(elem) and elem.style for url() borderImage correctly return "none"]
+    expected: FAIL
+
+  [getComputedStyle(elem) for url() listStyle uses the resolved URL and elem.style uses the original URL]
+    expected: FAIL
+
+  [getComputedStyle(elem) for url() backgroundImage uses the resolved URL and elem.style uses the original URL]
+    expected: FAIL
+
+  [getComputedStyle(elem) and elem.style for url() listStyleImage correctly return "none"]
+    expected: FAIL
+
+  [getComputedStyle(elem) and elem.style for url() listStyle correctly return "none"]
+    expected: FAIL
+
+  [getComputedStyle(elem) for url() borderImage uses the resolved URL and elem.style uses the original URL]
+    expected: FAIL
+
+  [getComputedStyle(elem) for url() listStyleImage uses the resolved URL and elem.style uses the original URL]
+    expected: FAIL
+
+  [getComputedStyle(elem) for url() background uses the resolved URL and elem.style uses the original URL]
+    expected: FAIL
+
+  [getComputedStyle(elem) and elem.style for url() background correctly return "none"]
+    expected: FAIL
+
+  [getComputedStyle(elem) and elem.style for url() backgroundImage correctly return "none"]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/bg_color.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/bg_color.html.ini
new file mode 100644
index 00000000000..e40aaebdb77
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/bg_color.html.ini
@@ -0,0 +1,2 @@
+[bg_color.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/hide_and_show.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/hide_and_show.html.ini
new file mode 100644
index 00000000000..4a5427ccc2b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/hide_and_show.html.ini
@@ -0,0 +1,2 @@
+[hide_and_show.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/overflow.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/overflow.html.ini
new file mode 100644
index 00000000000..f3775a2a3c7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/overflow.html.ini
@@ -0,0 +1,2 @@
+[overflow.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/positioning_margin.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/positioning_margin.html.ini
new file mode 100644
index 00000000000..8dc27ec0855
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/positioning_margin.html.ini
@@ -0,0 +1,2 @@
+[positioning_margin.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple.html.ini
new file mode 100644
index 00000000000..8c279f64eeb
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple.html.ini
@@ -0,0 +1,2 @@
+[simple.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_default.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_default.html.ini
new file mode 100644
index 00000000000..326138bc43c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_default.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_default.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_height.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_height.html.ini
new file mode 100644
index 00000000000..aa3aa9aacbb
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_height.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_height.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_max.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_max.html.ini
new file mode 100644
index 00000000000..b5f0d1cf601
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_max.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_max.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_min.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_min.html.ini
new file mode 100644
index 00000000000..c4ee1fbefdf
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_min.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_min.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width.html.ini
new file mode 100644
index 00000000000..44e3749f571
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_width.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_height.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_height.html.ini
new file mode 100644
index 00000000000..cf479909ed3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_height.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_width_height.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_percentage.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_percentage.html.ini
new file mode 100644
index 00000000000..9b5c4807b8b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/simple_inline_width_percentage.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_width_percentage.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/iframe/size_attributes_vertical_writing_mode.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/iframe/size_attributes_vertical_writing_mode.html.ini
new file mode 100644
index 00000000000..6bcd84d6fa2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/iframe/size_attributes_vertical_writing_mode.html.ini
@@ -0,0 +1,2 @@
+[size_attributes_vertical_writing_mode.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/image_percentage_dimen.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/image_percentage_dimen.html.ini
new file mode 100644
index 00000000000..a21b4b1010c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/image_percentage_dimen.html.ini
@@ -0,0 +1,2 @@
+[image_percentage_dimen.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/img_width_style_intrinsic_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/img_width_style_intrinsic_width_a.html.ini
new file mode 100644
index 00000000000..f5f946cfcdc
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/img_width_style_intrinsic_width_a.html.ini
@@ -0,0 +1,2 @@
+[img_width_style_intrinsic_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_baseline_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_baseline_a.html.ini
new file mode 100644
index 00000000000..51c151d1778
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_baseline_a.html.ini
@@ -0,0 +1,2 @@
+[inline_absolute_hypothetical_baseline_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_clip_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_clip_a.html.ini
new file mode 100644
index 00000000000..96314013481
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_clip_a.html.ini
@@ -0,0 +1,2 @@
+[inline_absolute_hypothetical_clip_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_line_metrics_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_line_metrics_a.html.ini
new file mode 100644
index 00000000000..09ed209c08f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_line_metrics_a.html.ini
@@ -0,0 +1,2 @@
+[inline_absolute_hypothetical_line_metrics_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_metrics_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_metrics_a.html.ini
new file mode 100644
index 00000000000..2c0d5a8ded0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_absolute_hypothetical_metrics_a.html.ini
@@ -0,0 +1,2 @@
+[inline_absolute_hypothetical_metrics_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_baseline_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_baseline_a.html.ini
new file mode 100644
index 00000000000..ae16c8e2927
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_baseline_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_baseline_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_block_direction_margins_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_block_direction_margins_a.html.ini
new file mode 100644
index 00000000000..89a75c4b667
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_block_direction_margins_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_block_direction_margins_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_centering_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_centering_a.html.ini
new file mode 100644
index 00000000000..3812e92613b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_centering_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_centering_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_explicit_height_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_explicit_height_a.html.ini
new file mode 100644
index 00000000000..e1b89444321
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_explicit_height_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_explicit_height_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_img_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_img_a.html.ini
new file mode 100644
index 00000000000..f50bfe3202d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_img_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_img_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_margin_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_margin_a.html.ini
new file mode 100644
index 00000000000..323c3d72f24
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_margin_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_margin_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_parent_padding_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_parent_padding_a.html.ini
new file mode 100644
index 00000000000..58a83270642
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_parent_padding_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_parent_padding_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_block_with_margin_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_with_margin_a.html.ini
new file mode 100644
index 00000000000..82b40519039
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_block_with_margin_a.html.ini
@@ -0,0 +1,2 @@
+[inline_block_with_margin_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_border_baseline_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_border_baseline_a.html.ini
new file mode 100644
index 00000000000..55376e6b1ee
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_border_baseline_a.html.ini
@@ -0,0 +1,2 @@
+[inline_border_baseline_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_element_border_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_element_border_a.html.ini
new file mode 100644
index 00000000000..f4cdd05802d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_element_border_a.html.ini
@@ -0,0 +1,2 @@
+[inline_element_border_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_element_padding_margin.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_element_padding_margin.html.ini
new file mode 100644
index 00000000000..239b34c0e62
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_element_padding_margin.html.ini
@@ -0,0 +1,2 @@
+[inline_element_padding_margin.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/inline_hypothetical_box_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/inline_hypothetical_box_a.html.ini
new file mode 100644
index 00000000000..b3e8ba84005
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/inline_hypothetical_box_a.html.ini
@@ -0,0 +1,2 @@
+[inline_hypothetical_box_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_alignment_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_alignment_a.html.ini
new file mode 100644
index 00000000000..0e2cd2e610f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_alignment_a.html.ini
@@ -0,0 +1,2 @@
+[input_alignment_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_button_margins_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_button_margins_a.html.ini
new file mode 100644
index 00000000000..eb47c5e8555
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_button_margins_a.html.ini
@@ -0,0 +1,2 @@
+[input_button_margins_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_insertion_point_empty_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_insertion_point_empty_a.html.ini
new file mode 100644
index 00000000000..f754d9e16f6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_insertion_point_empty_a.html.ini
@@ -0,0 +1,2 @@
+[input_insertion_point_empty_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_selection_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_selection_a.html.ini
new file mode 100644
index 00000000000..ef073bac26c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_selection_a.html.ini
@@ -0,0 +1,2 @@
+[input_selection_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_selection_incremental_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_selection_incremental_a.html.ini
new file mode 100644
index 00000000000..69ad53ec845
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_selection_incremental_a.html.ini
@@ -0,0 +1,2 @@
+[input_selection_incremental_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/input_whitespace.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/input_whitespace.html.ini
new file mode 100644
index 00000000000..d4d47c4946b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/input_whitespace.html.ini
@@ -0,0 +1,2 @@
+[input_whitespace.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/legacy_cellspacing_attribute_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/legacy_cellspacing_attribute_a.html.ini
new file mode 100644
index 00000000000..cee189fcb0b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/legacy_cellspacing_attribute_a.html.ini
@@ -0,0 +1,2 @@
+[legacy_cellspacing_attribute_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/line_break_nowrap.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/line_break_nowrap.html.ini
new file mode 100644
index 00000000000..6d8e7cb0453
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/line_break_nowrap.html.ini
@@ -0,0 +1,2 @@
+[line_break_nowrap.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/line_breaking_whitespace_collapse_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/line_breaking_whitespace_collapse_a.html.ini
new file mode 100644
index 00000000000..b4de5d5d47d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/line_breaking_whitespace_collapse_a.html.ini
@@ -0,0 +1,2 @@
+[line_breaking_whitespace_collapse_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/line_height_float_placement_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/line_height_float_placement_a.html.ini
new file mode 100644
index 00000000000..ffcd57b34c5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/line_height_float_placement_a.html.ini
@@ -0,0 +1,2 @@
+[line_height_float_placement_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_non_square_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_non_square_a.html.ini
new file mode 100644
index 00000000000..f55fed9a439
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_non_square_a.html.ini
@@ -0,0 +1,2 @@
+[linear_gradients_non_square_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_reverse_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_reverse_a.html.ini
new file mode 100644
index 00000000000..fdc6a37b980
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/linear_gradients_reverse_a.html.ini
@@ -0,0 +1,2 @@
+[linear_gradients_reverse_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/linebreak_inline_span_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/linebreak_inline_span_a.html.ini
new file mode 100644
index 00000000000..068a105c2be
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/linebreak_inline_span_a.html.ini
@@ -0,0 +1,2 @@
+[linebreak_inline_span_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/linebreak_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/linebreak_simple_a.html.ini
new file mode 100644
index 00000000000..9bdb0012482
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/linebreak_simple_a.html.ini
@@ -0,0 +1,2 @@
+[linebreak_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/list_item_marker_around_float.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/list_item_marker_around_float.html.ini
new file mode 100644
index 00000000000..70e3d2c12e8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/list_item_marker_around_float.html.ini
@@ -0,0 +1,2 @@
+[list_item_marker_around_float.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/list_style_position_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/list_style_position_a.html.ini
new file mode 100644
index 00000000000..877f3d021e9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/list_style_position_a.html.ini
@@ -0,0 +1,2 @@
+[list_style_position_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/list_style_type_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/list_style_type_a.html.ini
new file mode 100644
index 00000000000..92ac237caf8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/list_style_type_a.html.ini
@@ -0,0 +1,2 @@
+[list_style_type_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/many_brs_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/many_brs_a.html.ini
new file mode 100644
index 00000000000..cc004c9dffe
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/many_brs_a.html.ini
@@ -0,0 +1,2 @@
+[many_brs_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/margin_padding_inline_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/margin_padding_inline_block_a.html.ini
new file mode 100644
index 00000000000..8c194d964d9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/margin_padding_inline_block_a.html.ini
@@ -0,0 +1,2 @@
+[margin_padding_inline_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/marker_block_direction_placement_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/marker_block_direction_placement_a.html.ini
new file mode 100644
index 00000000000..5c706a44379
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/marker_block_direction_placement_a.html.ini
@@ -0,0 +1,2 @@
+[marker_block_direction_placement_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/matchMedia.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/matchMedia.html.ini
new file mode 100644
index 00000000000..71b28b3a9cc
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/matchMedia.html.ini
@@ -0,0 +1,23 @@
+[matchMedia.html]
+  expected: TIMEOUT
+  [MediaQueryList.matches for "(width: 200px)"]
+    expected: FAIL
+
+  [Listeners are called in the order which they have been added]
+    expected: NOTRUN
+
+  [window.matchMedia exists]
+    expected: FAIL
+
+  [MediaQueryList.matches for "(min-aspect-ratio: 1/1)"]
+    expected: FAIL
+
+  [MediaQueryList.matches for "(min-width: 150px)"]
+    expected: FAIL
+
+  [Listener added twice is only called once.]
+    expected: NOTRUN
+
+  [Resize iframe from 200x100 to 200x50, then to 100x50]
+    expected: NOTRUN
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/max_inline_block_size_canvas.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/max_inline_block_size_canvas.html.ini
new file mode 100644
index 00000000000..bc00f7498f7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/max_inline_block_size_canvas.html.ini
@@ -0,0 +1,2 @@
+[max_inline_block_size_canvas.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/media_bogus_query_sequence.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/media_bogus_query_sequence.html.ini
new file mode 100644
index 00000000000..09c601f1df8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/media_bogus_query_sequence.html.ini
@@ -0,0 +1,4 @@
+[media_bogus_query_sequence.html]
+  [Media query with a bogus query doesn't turn the whole media query list invalid]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/meta_viewport_resize.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/meta_viewport_resize.html.ini
new file mode 100644
index 00000000000..1a2d5851b5f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/meta_viewport_resize.html.ini
@@ -0,0 +1,5 @@
+[meta_viewport_resize.html]
+  expected: TIMEOUT
+  [<body> inside <iframe> has the <iframe>’s width]
+    expected: TIMEOUT
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/min_width_percent_root_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/min_width_percent_root_a.html.ini
new file mode 100644
index 00000000000..42e8b748593
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/min_width_percent_root_a.html.ini
@@ -0,0 +1,2 @@
+[min_width_percent_root_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/minimum_line_height_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/minimum_line_height_a.html.ini
new file mode 100644
index 00000000000..f113cd1d0be
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/minimum_line_height_a.html.ini
@@ -0,0 +1,2 @@
+[minimum_line_height_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/mix_blend_mode_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/mix_blend_mode_a.html.ini
new file mode 100644
index 00000000000..b27c16174c3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/mix_blend_mode_a.html.ini
@@ -0,0 +1,2 @@
+[mix_blend_mode_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/object_element_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/object_element_a.html.ini
new file mode 100644
index 00000000000..9c016d105df
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/object_element_a.html.ini
@@ -0,0 +1,2 @@
+[object_element_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/offset_properties_inline.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/offset_properties_inline.html.ini
new file mode 100644
index 00000000000..4712cd619eb
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/offset_properties_inline.html.ini
@@ -0,0 +1,4 @@
+[offset_properties_inline.html]
+  [offsetParent]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/ol_japanese_iroha_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/ol_japanese_iroha_a.html.ini
new file mode 100644
index 00000000000..f55ae149da5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/ol_japanese_iroha_a.html.ini
@@ -0,0 +1,2 @@
+[ol_japanese_iroha_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/ol_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/ol_simple_a.html.ini
new file mode 100644
index 00000000000..124ac845868
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/ol_simple_a.html.ini
@@ -0,0 +1,2 @@
+[ol_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/opacity_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/opacity_simple_a.html.ini
new file mode 100644
index 00000000000..cb298e629d8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/opacity_simple_a.html.ini
@@ -0,0 +1,2 @@
+[opacity_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/outline_offset_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/outline_offset_a.html.ini
new file mode 100644
index 00000000000..af5321d7f77
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/outline_offset_a.html.ini
@@ -0,0 +1,2 @@
+[outline_offset_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/outlines_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/outlines_simple_a.html.ini
new file mode 100644
index 00000000000..552be8af126
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/outlines_simple_a.html.ini
@@ -0,0 +1,2 @@
+[outlines_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/outlines_wrap_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/outlines_wrap_a.html.ini
new file mode 100644
index 00000000000..1c35fe32a69
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/outlines_wrap_a.html.ini
@@ -0,0 +1,2 @@
+[outlines_wrap_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overconstrained_block.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overconstrained_block.html.ini
new file mode 100644
index 00000000000..de5f1774e72
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overconstrained_block.html.ini
@@ -0,0 +1,2 @@
+[overconstrained_block.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_auto.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_auto.html.ini
new file mode 100644
index 00000000000..7db72e1707c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_auto.html.ini
@@ -0,0 +1,2 @@
+[overflow_auto.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_border_radius.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_border_radius.html.ini
new file mode 100644
index 00000000000..c42035b8c08
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_border_radius.html.ini
@@ -0,0 +1,2 @@
+[overflow_border_radius.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_clipping.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_clipping.html.ini
new file mode 100644
index 00000000000..00f0091e93a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_clipping.html.ini
@@ -0,0 +1,2 @@
+[overflow_clipping.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_position_abs_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_position_abs_simple_a.html.ini
new file mode 100644
index 00000000000..799983ed073
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_position_abs_simple_a.html.ini
@@ -0,0 +1,2 @@
+[overflow_position_abs_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_scroll.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_scroll.html.ini
new file mode 100644
index 00000000000..8744f4c28bd
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_scroll.html.ini
@@ -0,0 +1,2 @@
+[overflow_scroll.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_simple_a.html.ini
new file mode 100644
index 00000000000..354afc282c1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_simple_a.html.ini
@@ -0,0 +1,2 @@
+[overflow_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc.html.ini
new file mode 100644
index 00000000000..51649001631
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc.html.ini
@@ -0,0 +1,2 @@
+[overflow_transformed_sc.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc_rotate.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc_rotate.html.ini
new file mode 100644
index 00000000000..6e25ce0845a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_transformed_sc_rotate.html.ini
@@ -0,0 +1,2 @@
+[overflow_transformed_sc_rotate.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_wrap_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_wrap_a.html.ini
new file mode 100644
index 00000000000..4f80aed39f4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_wrap_a.html.ini
@@ -0,0 +1,2 @@
+[overflow_wrap_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/overflow_xy_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/overflow_xy_a.html.ini
new file mode 100644
index 00000000000..99413c09f58
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/overflow_xy_a.html.ini
@@ -0,0 +1,2 @@
+[overflow_xy_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/per_glyph_font_fallback_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/per_glyph_font_fallback_a.html.ini
new file mode 100644
index 00000000000..7aaf105eb33
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/per_glyph_font_fallback_a.html.ini
@@ -0,0 +1,2 @@
+[per_glyph_font_fallback_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/percentage_width_inline_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/percentage_width_inline_block_a.html.ini
new file mode 100644
index 00000000000..b72cd703910
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/percentage_width_inline_block_a.html.ini
@@ -0,0 +1,2 @@
+[percentage_width_inline_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/perspective.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/perspective.html.ini
new file mode 100644
index 00000000000..cbe83dea1d1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/perspective.html.ini
@@ -0,0 +1,4 @@
+[perspective.html]
+  [Parsing of the perspective property]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pixel_snapping_glyphs.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pixel_snapping_glyphs.html.ini
new file mode 100644
index 00000000000..2875a4c8b45
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pixel_snapping_glyphs.html.ini
@@ -0,0 +1,2 @@
+[pixel_snapping_glyphs.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_cb_with_non_cb_kid_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_cb_with_non_cb_kid_a.html.ini
new file mode 100644
index 00000000000..12beca30dc5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_cb_with_non_cb_kid_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_cb_with_non_cb_kid_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_height_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_height_width_a.html.ini
new file mode 100644
index 00000000000..70a43e13324
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_height_width_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_height_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_nested_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_nested_a.html.ini
new file mode 100644
index 00000000000..67f6423d83a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_nested_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_nested_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_pseudo_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_pseudo_a.html.ini
new file mode 100644
index 00000000000..564d499cc90
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_pseudo_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_pseudo_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_replaced_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_replaced_simple_a.html.ini
new file mode 100644
index 00000000000..051954e1c01
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_replaced_simple_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_replaced_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_abs_static_y_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_static_y_a.html.ini
new file mode 100644
index 00000000000..0f2f448aee7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_abs_static_y_a.html.ini
@@ -0,0 +1,2 @@
+[position_abs_static_y_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_a.html.ini
new file mode 100644
index 00000000000..a4d7ed79cfe
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_a.html.ini
@@ -0,0 +1,2 @@
+[position_fixed_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_static_y_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_static_y_a.html.ini
new file mode 100644
index 00000000000..94b0245c106
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_fixed_static_y_a.html.ini
@@ -0,0 +1,2 @@
+[position_fixed_static_y_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_relative_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_a.html.ini
new file mode 100644
index 00000000000..022a1e5ba8e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_a.html.ini
@@ -0,0 +1,2 @@
+[position_relative_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_relative_painting_order_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_painting_order_a.html.ini
new file mode 100644
index 00000000000..b7340919238
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_painting_order_a.html.ini
@@ -0,0 +1,2 @@
+[position_relative_painting_order_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_a.html.ini
new file mode 100644
index 00000000000..ac04d35f7e8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_a.html.ini
@@ -0,0 +1,2 @@
+[position_relative_stacking_context_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_contents_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_contents_a.html.ini
new file mode 100644
index 00000000000..63c286cb005
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_stacking_context_contents_a.html.ini
@@ -0,0 +1,2 @@
+[position_relative_stacking_context_contents_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/position_relative_top_percentage_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_top_percentage_a.html.ini
new file mode 100644
index 00000000000..d7e3642b6a9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/position_relative_top_percentage_a.html.ini
@@ -0,0 +1,2 @@
+[position_relative_top_percentage_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pseudo_content_with_layers.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_content_with_layers.html.ini
new file mode 100644
index 00000000000..d1b7901791b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_content_with_layers.html.ini
@@ -0,0 +1,2 @@
+[pseudo_content_with_layers.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_a.html.ini
new file mode 100644
index 00000000000..067289ddbaf
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_a.html.ini
@@ -0,0 +1,2 @@
+[pseudo_element_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_margin.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_margin.html.ini
new file mode 100644
index 00000000000..ef8d2723cec
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_margin.html.ini
@@ -0,0 +1,2 @@
+[pseudo_element_spacing_margin.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_padding.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_padding.html.ini
new file mode 100644
index 00000000000..221b667c362
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_element_spacing_padding.html.ini
@@ -0,0 +1,2 @@
+[pseudo_element_spacing_padding.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/pseudo_inherit.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_inherit.html.ini
new file mode 100644
index 00000000000..f1b18b06980
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/pseudo_inherit.html.ini
@@ -0,0 +1,2 @@
+[pseudo_inherit.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/quotes_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/quotes_simple_a.html.ini
new file mode 100644
index 00000000000..a0105848458
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/quotes_simple_a.html.ini
@@ -0,0 +1,2 @@
+[quotes_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/relative_position_clip_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/relative_position_clip_a.html.ini
new file mode 100644
index 00000000000..7d2d071d38f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/relative_position_clip_a.html.ini
@@ -0,0 +1,2 @@
+[relative_position_clip_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/root_height_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/root_height_a.html.ini
new file mode 100644
index 00000000000..110ea5979e8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/root_height_a.html.ini
@@ -0,0 +1,2 @@
+[root_height_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/rtl_body.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/rtl_body.html.ini
new file mode 100644
index 00000000000..8eeeca59b7c
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/rtl_body.html.ini
@@ -0,0 +1,2 @@
+[rtl_body.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/rtl_margin_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/rtl_margin_a.html.ini
new file mode 100644
index 00000000000..46481ce2255
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/rtl_margin_a.html.ini
@@ -0,0 +1,2 @@
+[rtl_margin_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/simple_inline_absolute_containing_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/simple_inline_absolute_containing_block_a.html.ini
new file mode 100644
index 00000000000..068cd35d3a2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/simple_inline_absolute_containing_block_a.html.ini
@@ -0,0 +1,2 @@
+[simple_inline_absolute_containing_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/stacked_layers.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/stacked_layers.html.ini
new file mode 100644
index 00000000000..e13feb290c6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/stacked_layers.html.ini
@@ -0,0 +1,2 @@
+[stacked_layers.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/stacking_context_overflow_relative_outline_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/stacking_context_overflow_relative_outline_a.html.ini
new file mode 100644
index 00000000000..7ebbc56238e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/stacking_context_overflow_relative_outline_a.html.ini
@@ -0,0 +1,2 @@
+[stacking_context_overflow_relative_outline_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_auto.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_auto.html.ini
new file mode 100644
index 00000000000..5005ac472a6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_auto.html.ini
@@ -0,0 +1,2 @@
+[stacking_order_overflow_auto.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_scroll.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_scroll.html.ini
new file mode 100644
index 00000000000..f3eeb1e8e05
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/stacking_order_overflow_scroll.html.ini
@@ -0,0 +1,2 @@
+[stacking_order_overflow_scroll.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/stylesheet_media_queries.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/stylesheet_media_queries.html.ini
new file mode 100644
index 00000000000..6c827cec320
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/stylesheet_media_queries.html.ini
@@ -0,0 +1,4 @@
+[stylesheet_media_queries.html]
+  [Media queries within stylesheets]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/submit_focus_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/submit_focus_a.html.ini
new file mode 100644
index 00000000000..ba4d5191804
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/submit_focus_a.html.ini
@@ -0,0 +1,2 @@
+[submit_focus_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_caption_bottom_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_caption_bottom_a.html.ini
new file mode 100644
index 00000000000..1eaa7b01e75
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_caption_bottom_a.html.ini
@@ -0,0 +1,2 @@
+[table_caption_bottom_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_caption_top_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_caption_top_a.html.ini
new file mode 100644
index 00000000000..8fd102e88ca
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_caption_top_a.html.ini
@@ -0,0 +1,2 @@
+[table_caption_top_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_cell_float_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_cell_float_a.html.ini
new file mode 100644
index 00000000000..1aa882fb410
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_cell_float_a.html.ini
@@ -0,0 +1,2 @@
+[table_cell_float_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_center_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_center_a.html.ini
new file mode 100644
index 00000000000..7ac391c090a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_center_a.html.ini
@@ -0,0 +1,2 @@
+[table_center_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_fixed_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_fixed_a.html.ini
new file mode 100644
index 00000000000..603357e5443
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_fixed_a.html.ini
@@ -0,0 +1,2 @@
+[table_colspan_fixed_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_simple_a.html.ini
new file mode 100644
index 00000000000..d4fe578d3dd
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_simple_a.html.ini
@@ -0,0 +1,2 @@
+[table_colspan_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_spacing_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_spacing_a.html.ini
new file mode 100644
index 00000000000..10e5c0c0e42
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_colspan_spacing_a.html.ini
@@ -0,0 +1,2 @@
+[table_colspan_spacing_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_expansion_to_fit_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_expansion_to_fit_a.html.ini
new file mode 100644
index 00000000000..96ff7601d98
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_expansion_to_fit_a.html.ini
@@ -0,0 +1,2 @@
+[table_expansion_to_fit_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_intrinsic_style_specified_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_intrinsic_style_specified_width_a.html.ini
new file mode 100644
index 00000000000..95c06231d9a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_intrinsic_style_specified_width_a.html.ini
@@ -0,0 +1,2 @@
+[table_intrinsic_style_specified_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_margin_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_margin_a.html.ini
new file mode 100644
index 00000000000..60930920678
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_margin_a.html.ini
@@ -0,0 +1,2 @@
+[table_margin_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_margin_auto_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_margin_auto_a.html.ini
new file mode 100644
index 00000000000..5024f13c90f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_margin_auto_a.html.ini
@@ -0,0 +1,2 @@
+[table_margin_auto_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_padding_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_padding_a.html.ini
new file mode 100644
index 00000000000..92b6dfada49
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_padding_a.html.ini
@@ -0,0 +1,2 @@
+[table_padding_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_percentage_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_percentage_width_a.html.ini
new file mode 100644
index 00000000000..071ecc6f28f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_percentage_width_a.html.ini
@@ -0,0 +1,2 @@
+[table_percentage_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_notequal_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_notequal_a.html.ini
new file mode 100644
index 00000000000..cfeadd90347
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_notequal_a.html.ini
@@ -0,0 +1,2 @@
+[table_rowspan_notequal_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_simple_a.html.ini
new file mode 100644
index 00000000000..b08f1902908
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_rowspan_simple_a.html.ini
@@ -0,0 +1,2 @@
+[table_rowspan_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_specified_width_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_specified_width_a.html.ini
new file mode 100644
index 00000000000..20dee7418ec
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_specified_width_a.html.ini
@@ -0,0 +1,2 @@
+[table_specified_width_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_absolute_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_absolute_a.html.ini
new file mode 100644
index 00000000000..6a04986fd9d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_absolute_a.html.ini
@@ -0,0 +1,2 @@
+[table_vertical_align_absolute_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_margin_padding.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_margin_padding.html.ini
new file mode 100644
index 00000000000..39bdb559f29
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/table_vertical_align_margin_padding.html.ini
@@ -0,0 +1,2 @@
+[table_vertical_align_margin_padding.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/test_variable_legal_values.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/test_variable_legal_values.html.ini
new file mode 100644
index 00000000000..2b23962beb2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/test_variable_legal_values.html.ini
@@ -0,0 +1,70 @@
+[test_variable_legal_values.html]
+  [number]
+    expected: FAIL
+
+  [CDO_not_at_top_level_value_unused]
+    expected: FAIL
+
+  [unbalanced_close_bracket_at_toplevel]
+    expected: FAIL
+
+  [braces]
+    expected: FAIL
+
+  [at_keyword_unknown_and_block]
+    expected: FAIL
+
+  [brackets]
+    expected: FAIL
+
+  [unbalanced_close_paren_at_toplevel]
+    expected: FAIL
+
+  [CDC_at_top_level]
+    expected: FAIL
+
+  [percentage]
+    expected: FAIL
+
+  [unbalanced_close_paren_in_something_balanced]
+    expected: FAIL
+
+  [function]
+    expected: FAIL
+
+  [nested_function]
+    expected: FAIL
+
+  [at_keyword_unknown]
+    expected: FAIL
+
+  [CDO_at_top_level]
+    expected: FAIL
+
+  [unbalanced_close_brace_in_something_balanced]
+    expected: FAIL
+
+  [at_keyword_known_and_block]
+    expected: FAIL
+
+  [semicolon_not_at_top_level_value_unused]
+    expected: FAIL
+
+  [parentheses]
+    expected: FAIL
+
+  [unbalanced_close_bracket_in_something_balanced]
+    expected: FAIL
+
+  [CDC_not_at_top_level_value_unused]
+    expected: FAIL
+
+  [length]
+    expected: FAIL
+
+  [time]
+    expected: FAIL
+
+  [at_keyword_known]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/test_variable_serialization_computed.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/test_variable_serialization_computed.html.ini
new file mode 100644
index 00000000000..e3ecffe5f98
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/test_variable_serialization_computed.html.ini
@@ -0,0 +1,91 @@
+[test_variable_serialization_computed.html]
+  [subtest #23 with `counter-reset: var(--a)red; --a:orange;`]
+    expected: FAIL
+
+  [subtest #24 with `--a: var(--b)var(--c); --c:[c\]; --b:('ab`]
+    expected: FAIL
+
+  [subtest #28 with `--a: "`]
+    expected: FAIL
+
+  [subtest #25 with `--a: '`]
+    expected: FAIL
+
+  [subtest #26 with `--a: '\\`]
+    expected: FAIL
+
+  [subtest #19 with `--a: var(--b)red; --b:orange;`]
+    expected: FAIL
+
+  [subtest #37 with `--a: url("http://example.org/\\`]
+    expected: FAIL
+
+  [subtest #30 with `--a: /* abc `]
+    expected: FAIL
+
+  [subtest #20 with `--a: var(--b)var(--c); --b:orange; --c:red;`]
+    expected: FAIL
+
+  [subtest #33 with `--a: url(http://example.org/\\`]
+    expected: FAIL
+
+  [subtest #11 with `--a: var(--b); --b: 1px`]
+    expected: FAIL
+
+  [subtest #17 with `--a: a var(--b) c; --b:b`]
+    expected: FAIL
+
+  [subtest #0 with ``]
+    expected: FAIL
+
+  [subtest #8 with `--a: 1px`]
+    expected: FAIL
+
+  [subtest #1 with `--a: `]
+    expected: FAIL
+
+  [subtest #27 with `--a: \\`]
+    expected: FAIL
+
+  [subtest #22 with `--a: var(--b,orange)var(--c); --c:red;`]
+    expected: FAIL
+
+  [subtest #35 with `--a: url('http://example.org/\\`]
+    expected: FAIL
+
+  [subtest #12 with `--a: var(--b, 1px)`]
+    expected: FAIL
+
+  [subtest #15 with `--a: something 3px url(whereever) calc(var(--b,1em) + 1px)`]
+    expected: FAIL
+
+  [subtest #5 with `--z: inherit`]
+    expected: FAIL
+
+  [subtest #32 with `--a: url(http://example.org/`]
+    expected: FAIL
+
+  [subtest #18 with `--a: a var(--b,b var(--c) d) e; --c:c`]
+    expected: FAIL
+
+  [subtest #31 with `--a: /* abc *`]
+    expected: FAIL
+
+  [subtest #16 with `--a: var(--b, var(--c, var(--d, Black)))`]
+    expected: FAIL
+
+  [subtest #36 with `--a: url("http://example.org/`]
+    expected: FAIL
+
+  [subtest #34 with `--a: url('http://example.org/`]
+    expected: FAIL
+
+  [subtest #29 with `--a: "\\`]
+    expected: FAIL
+
+  [subtest #21 with `--a: var(--b)var(--c,red); --b:orange;`]
+    expected: FAIL
+
+  [subtest #7 with `--z: unset`]
+    expected: FAIL
+
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_align_complex_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_align_complex_a.html.ini
new file mode 100644
index 00000000000..124794a9e9e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_align_complex_a.html.ini
@@ -0,0 +1,2 @@
+[text_align_complex_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_align_justify_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_align_justify_a.html.ini
new file mode 100644
index 00000000000..74eb25787f1
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_align_justify_a.html.ini
@@ -0,0 +1,2 @@
+[text_align_justify_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_align_start_end.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_align_start_end.html.ini
new file mode 100644
index 00000000000..94e510d20b5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_align_start_end.html.ini
@@ -0,0 +1,2 @@
+[text_align_start_end.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_smoke_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_smoke_a.html.ini
new file mode 100644
index 00000000000..bb5acb7b6b6
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_smoke_a.html.ini
@@ -0,0 +1,2 @@
+[text_decoration_smoke_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_underline_subpx_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_underline_subpx_a.html.ini
new file mode 100644
index 00000000000..194f21cfa26
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_decoration_underline_subpx_a.html.ini
@@ -0,0 +1,2 @@
+[text_decoration_underline_subpx_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_indent_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_indent_a.html.ini
new file mode 100644
index 00000000000..f114b990e67
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_indent_a.html.ini
@@ -0,0 +1,2 @@
+[text_indent_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_basic_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_basic_a.html.ini
new file mode 100644
index 00000000000..3f31c7e2120
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_basic_a.html.ini
@@ -0,0 +1,2 @@
+[text_overflow_basic_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_ellipsis.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_ellipsis.html.ini
new file mode 100644
index 00000000000..c5aa371e273
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_ellipsis.html.ini
@@ -0,0 +1,2 @@
+[text_overflow_ellipsis.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_string.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_string.html.ini
new file mode 100644
index 00000000000..9baeea13322
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_overflow_string.html.ini
@@ -0,0 +1,2 @@
+[text_overflow_string.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_decorations_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_decorations_a.html.ini
new file mode 100644
index 00000000000..b328321ca97
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_decorations_a.html.ini
@@ -0,0 +1,2 @@
+[text_shadow_decorations_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_multiple_shadows_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_multiple_shadows_a.html.ini
new file mode 100644
index 00000000000..8b6dff6704e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_multiple_shadows_a.html.ini
@@ -0,0 +1,2 @@
+[text_shadow_multiple_shadows_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_simple_a.html.ini
new file mode 100644
index 00000000000..04ae1b223d5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_shadow_simple_a.html.ini
@@ -0,0 +1,2 @@
+[text_shadow_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_transform_capitalize_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_capitalize_a.html.ini
new file mode 100644
index 00000000000..2cb784a2980
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_capitalize_a.html.ini
@@ -0,0 +1,2 @@
+[text_transform_capitalize_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_transform_lowercase_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_lowercase_a.html.ini
new file mode 100644
index 00000000000..93d2dea15a3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_lowercase_a.html.ini
@@ -0,0 +1,2 @@
+[text_transform_lowercase_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/text_transform_uppercase_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_uppercase_a.html.ini
new file mode 100644
index 00000000000..d614ce847ff
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/text_transform_uppercase_a.html.ini
@@ -0,0 +1,2 @@
+[text_transform_uppercase_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/transform_3d.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/transform_3d.html.ini
new file mode 100644
index 00000000000..ebdf53193a0
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/transform_3d.html.ini
@@ -0,0 +1,2 @@
+[transform_3d.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/transform_3d_from_outside_viewport.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/transform_3d_from_outside_viewport.html.ini
new file mode 100644
index 00000000000..7080de3cbb4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/transform_3d_from_outside_viewport.html.ini
@@ -0,0 +1,2 @@
+[transform_3d_from_outside_viewport.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/transform_optimization.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/transform_optimization.html.ini
new file mode 100644
index 00000000000..3cb356d8137
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/transform_optimization.html.ini
@@ -0,0 +1,2 @@
+[transform_optimization.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/transform_simple_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/transform_simple_a.html.ini
new file mode 100644
index 00000000000..86d163e6441
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/transform_simple_a.html.ini
@@ -0,0 +1,2 @@
+[transform_simple_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/translate_clip.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/translate_clip.html.ini
new file mode 100644
index 00000000000..66d45d2fea2
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/translate_clip.html.ini
@@ -0,0 +1,2 @@
+[translate_clip.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/translate_clip_nested.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/translate_clip_nested.html.ini
new file mode 100644
index 00000000000..2c1f8cb35d9
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/translate_clip_nested.html.ini
@@ -0,0 +1,2 @@
+[translate_clip_nested.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical-lr-blocks.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical-lr-blocks.html.ini
new file mode 100644
index 00000000000..1ea3e802073
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical-lr-blocks.html.ini
@@ -0,0 +1,2 @@
+[vertical-lr-blocks.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_bottom_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_bottom_a.html.ini
new file mode 100644
index 00000000000..a1ea769f36a
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_bottom_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_bottom_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_inline_block_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_inline_block_a.html.ini
new file mode 100644
index 00000000000..307ea7e4ff5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_inline_block_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_inline_block_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_middle_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_middle_a.html.ini
new file mode 100644
index 00000000000..6d88d1be81e
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_middle_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_middle_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_sub_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_sub_a.html.ini
new file mode 100644
index 00000000000..41de91045f7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_sub_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_sub_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_super_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_super_a.html.ini
new file mode 100644
index 00000000000..3465945b2df
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_super_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_super_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_text_bottom_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_text_bottom_a.html.ini
new file mode 100644
index 00000000000..d5c9dd0605b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_text_bottom_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_text_bottom_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_top_bottom_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_top_bottom_a.html.ini
new file mode 100644
index 00000000000..59ec760fc55
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/vertical_align_top_bottom_a.html.ini
@@ -0,0 +1,2 @@
+[vertical_align_top_bottom_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/viewport_meta.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/viewport_meta.html.ini
new file mode 100644
index 00000000000..120d74eeff8
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/viewport_meta.html.ini
@@ -0,0 +1,2 @@
+[viewport_meta.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/viewport_rule.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/viewport_rule.html.ini
new file mode 100644
index 00000000000..01154a208c5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/viewport_rule.html.ini
@@ -0,0 +1,2 @@
+[viewport_rule.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/visibility_hidden.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/visibility_hidden.html.ini
new file mode 100644
index 00000000000..75bc7115de3
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/visibility_hidden.html.ini
@@ -0,0 +1,2 @@
+[visibility_hidden.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/white-space-mixed-002.htm.ini b/tests/wpt/mozilla/meta-layout-2020/css/white-space-mixed-002.htm.ini
new file mode 100644
index 00000000000..5a793878aef
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/white-space-mixed-002.htm.ini
@@ -0,0 +1,2 @@
+[white-space-mixed-002.htm]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/white-space-pre-wrap.htm.ini b/tests/wpt/mozilla/meta-layout-2020/css/white-space-pre-wrap.htm.ini
new file mode 100644
index 00000000000..521c793832b
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/white-space-pre-wrap.htm.ini
@@ -0,0 +1,2 @@
+[white-space-pre-wrap.htm]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/white_space_intrinsic_sizes_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/white_space_intrinsic_sizes_a.html.ini
new file mode 100644
index 00000000000..1330b71867f
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/white_space_intrinsic_sizes_a.html.ini
@@ -0,0 +1,2 @@
+[white_space_intrinsic_sizes_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/whitespace_nowrap_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/whitespace_nowrap_a.html.ini
new file mode 100644
index 00000000000..895e127ca34
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/whitespace_nowrap_a.html.ini
@@ -0,0 +1,2 @@
+[whitespace_nowrap_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/whitespace_pre.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/whitespace_pre.html.ini
new file mode 100644
index 00000000000..891465ffedf
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/whitespace_pre.html.ini
@@ -0,0 +1,2 @@
+[whitespace_pre.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-005.htm.ini b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-005.htm.ini
new file mode 100644
index 00000000000..7f36a3f3fd4
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-005.htm.ini
@@ -0,0 +1,2 @@
+[word-break-keep-all-005.htm]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-006.htm.ini b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-006.htm.ini
new file mode 100644
index 00000000000..65ad4524b55
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-006.htm.ini
@@ -0,0 +1,2 @@
+[word-break-keep-all-006.htm]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-007.htm.ini b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-007.htm.ini
new file mode 100644
index 00000000000..48e6b6c94b5
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/word-break-keep-all-007.htm.ini
@@ -0,0 +1,2 @@
+[word-break-keep-all-007.htm]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/word_break_a.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/word_break_a.html.ini
new file mode 100644
index 00000000000..2bad7a61fa7
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/word_break_a.html.ini
@@ -0,0 +1,2 @@
+[word_break_a.html]
+  expected: FAIL
diff --git a/tests/wpt/mozilla/meta-layout-2020/css/writing-mode_change_display.html.ini b/tests/wpt/mozilla/meta-layout-2020/css/writing-mode_change_display.html.ini
new file mode 100644
index 00000000000..ba985d22e0d
--- /dev/null
+++ b/tests/wpt/mozilla/meta-layout-2020/css/writing-mode_change_display.html.ini
@@ -0,0 +1,4 @@
+[writing-mode_change_display.html]
+  [The span's `display` should change from `inline` to `inline-block`, because of its writing-mode.]
+    expected: FAIL
+
diff --git a/tests/wpt/run.py b/tests/wpt/run.py
index 7e6fcaede82..33a9b710619 100644
--- a/tests/wpt/run.py
+++ b/tests/wpt/run.py
@@ -97,6 +97,7 @@ def set_defaults(kwargs):
 
     if kwargs.pop("layout_2020"):
         kwargs["test_paths"]["/"]["metadata_path"] = wpt_path("metadata-layout-2020")
+        kwargs["test_paths"]["/_mozilla/"]["metadata_path"] = wpt_path("mozilla/meta-layout-2020")
         kwargs["include_manifest"] = wpt_path("include-layout-2020.ini")
 
 
diff --git a/tests/wpt/update.py b/tests/wpt/update.py
index d8d1db22114..28697d5d904 100644
--- a/tests/wpt/update.py
+++ b/tests/wpt/update.py
@@ -36,6 +36,7 @@ def set_defaults(kwargs):
 
     if kwargs.pop("layout_2020"):
         kwargs["test_paths"]["/"]["metadata_path"] = wpt_path("metadata-layout-2020")
+        kwargs["test_paths"]["/_mozilla/"]["metadata_path"] = wpt_path("mozilla/meta-layout-2020")
         kwargs["include_manifest"] = wpt_path("include-layout-2020.ini")