diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 815474bb022..a7e1387ee61 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -48,8 +48,6 @@ resolution=300x300,device-pixel-ratio=2 != pixel_snapping_position_a.html pixel_
# == position_fixed_a.html position_fixed_b.html
# == position_fixed_simple_a.html position_fixed_simple_b.html
# == position_fixed_static_y_a.html position_fixed_static_y_b.html
-== root_display_inline_a.html root_display_ref.html
-== root_display_without_style_a.html root_display_ref.html
# text_decoration_propagation_a.html text_decoration_propagation_b.html
!= text_decoration_smoke_a.html text_decoration_smoke_ref.html
!= text_decoration_underline_subpx_a.html text_decoration_underline_subpx_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index e629c9dba3f..c5b834e8761 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -3523,6 +3523,30 @@
"url": "/_mozilla/css/restyle_hints_state.html"
}
],
+ "css/root_display_inline_a.html": [
+ {
+ "path": "css/root_display_inline_a.html",
+ "references": [
+ [
+ "/_mozilla/css/root_display_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/root_display_inline_a.html"
+ }
+ ],
+ "css/root_display_without_style_a.html": [
+ {
+ "path": "css/root_display_without_style_a.html",
+ "references": [
+ [
+ "/_mozilla/css/root_display_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/root_display_without_style_a.html"
+ }
+ ],
"css/root_height_a.html": [
{
"path": "css/root_height_a.html",
@@ -8892,6 +8916,30 @@
"url": "/_mozilla/css/restyle_hints_state.html"
}
],
+ "css/root_display_inline_a.html": [
+ {
+ "path": "css/root_display_inline_a.html",
+ "references": [
+ [
+ "/_mozilla/css/root_display_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/root_display_inline_a.html"
+ }
+ ],
+ "css/root_display_without_style_a.html": [
+ {
+ "path": "css/root_display_without_style_a.html",
+ "references": [
+ [
+ "/_mozilla/css/root_display_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/root_display_without_style_a.html"
+ }
+ ],
"css/root_height_a.html": [
{
"path": "css/root_height_a.html",
diff --git a/tests/ref/root_display_inline_a.html b/tests/wpt/mozilla/tests/css/root_display_inline_a.html
similarity index 68%
rename from tests/ref/root_display_inline_a.html
rename to tests/wpt/mozilla/tests/css/root_display_inline_a.html
index 07fe6a96c21..44d4297ad55 100644
--- a/tests/ref/root_display_inline_a.html
+++ b/tests/wpt/mozilla/tests/css/root_display_inline_a.html
@@ -1,6 +1,7 @@
+
Hello world!
diff --git a/tests/ref/root_display_ref.html b/tests/wpt/mozilla/tests/css/root_display_ref.html
similarity index 100%
rename from tests/ref/root_display_ref.html
rename to tests/wpt/mozilla/tests/css/root_display_ref.html
diff --git a/tests/ref/root_display_without_style_a.html b/tests/wpt/mozilla/tests/css/root_display_without_style_a.html
similarity index 88%
rename from tests/ref/root_display_without_style_a.html
rename to tests/wpt/mozilla/tests/css/root_display_without_style_a.html
index 9f02354f48f..861a1ba7051 100644
--- a/tests/ref/root_display_without_style_a.html
+++ b/tests/wpt/mozilla/tests/css/root_display_without_style_a.html
@@ -1,6 +1,7 @@
+