diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 800593d9768..523bf02219b 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -9,7 +9,6 @@
# Should be == with expected failure:
fragment=top != ../html/acid2.html acid2_ref.html
-== absolute_inline_containing_block_a.html absolute_inline_containing_block_ref.html
== absolute_table.html absolute_table_ref.html
== absolute_z_index_auto_paint_order_a.html absolute_z_index_auto_paint_order_ref.html
== acid1_a.html acid1_b.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 5de21c0da94..112b6f6a882 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -87,6 +87,18 @@
"url": "/_mozilla/css/absolute_hypothetical_with_intervening_inline_block_a.html"
}
],
+ "css/absolute_inline_containing_block_a.html": [
+ {
+ "path": "css/absolute_inline_containing_block_a.html",
+ "references": [
+ [
+ "/_mozilla/css/absolute_inline_containing_block_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/absolute_inline_containing_block_a.html"
+ }
+ ],
"css/background.html": [
{
"path": "css/background.html",
@@ -968,6 +980,18 @@
"url": "/_mozilla/css/absolute_hypothetical_with_intervening_inline_block_a.html"
}
],
+ "css/absolute_inline_containing_block_a.html": [
+ {
+ "path": "css/absolute_inline_containing_block_a.html",
+ "references": [
+ [
+ "/_mozilla/css/absolute_inline_containing_block_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/absolute_inline_containing_block_a.html"
+ }
+ ],
"css/background.html": [
{
"path": "css/background.html",
diff --git a/tests/ref/absolute_inline_containing_block_a.html b/tests/wpt/mozilla/tests/css/absolute_inline_containing_block_a.html
similarity index 95%
rename from tests/ref/absolute_inline_containing_block_a.html
rename to tests/wpt/mozilla/tests/css/absolute_inline_containing_block_a.html
index a10d4fa9e3d..ab15865df4b 100644
--- a/tests/ref/absolute_inline_containing_block_a.html
+++ b/tests/wpt/mozilla/tests/css/absolute_inline_containing_block_a.html
@@ -1,6 +1,7 @@
+