diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 87086baa2b8..458ef46991b 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -105,7 +105,6 @@ prefs:"layout.writing-mode.enabled" == iframe/size_attributes_vertical_writing_m
== img_width_attribute_intrinsic_width_a.html img_width_attribute_intrinsic_width_ref.html
== incremental_text_color_a.html incremental_text_color_ref.html
!= inline_background_a.html inline_background_ref.html
-== inline_block_baseline_a.html inline_block_baseline_ref.html
== inline_block_border_intrinsic_size_a.html inline_block_border_intrinsic_size_ref.html
== inline_block_margin_auto_a.html inline_block_margin_auto_ref.html
== inline_block_parent_width.html inline_block_parent_width_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index c966afa4caa..f75cf8f1c6c 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -887,6 +887,18 @@
"url": "/_mozilla/css/inline_absolute_out_of_flow_a.html"
}
],
+ "css/inline_block_baseline_a.html": [
+ {
+ "path": "css/inline_block_baseline_a.html",
+ "references": [
+ [
+ "/_mozilla/css/inline_block_baseline_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/inline_block_baseline_a.html"
+ }
+ ],
"css/inline_block_block_direction_margins_a.html": [
{
"path": "css/inline_block_block_direction_margins_a.html",
@@ -4776,6 +4788,18 @@
"url": "/_mozilla/css/inline_absolute_out_of_flow_a.html"
}
],
+ "css/inline_block_baseline_a.html": [
+ {
+ "path": "css/inline_block_baseline_a.html",
+ "references": [
+ [
+ "/_mozilla/css/inline_block_baseline_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/inline_block_baseline_a.html"
+ }
+ ],
"css/inline_block_block_direction_margins_a.html": [
{
"path": "css/inline_block_block_direction_margins_a.html",
diff --git a/tests/ref/inline_block_baseline_a.html b/tests/wpt/mozilla/tests/css/inline_block_baseline_a.html
similarity index 89%
rename from tests/ref/inline_block_baseline_a.html
rename to tests/wpt/mozilla/tests/css/inline_block_baseline_a.html
index 1345d3331b2..ff80d2fccb8 100644
--- a/tests/ref/inline_block_baseline_a.html
+++ b/tests/wpt/mozilla/tests/css/inline_block_baseline_a.html
@@ -1,6 +1,7 @@
+