diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 9e39c3dc404..be7565f0b49 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -151,7 +151,6 @@ prefs:"layout.writing-mode.enabled" == iframe/size_attributes_vertical_writing_m
== legacy_th_width_attribute_a.html legacy_td_width_attribute_ref.html
== line_height_a.html line_height_ref.html
!= linear_gradients_corners_a.html linear_gradients_corners_ref.html
-== linear_gradients_parsing_a.html linear_gradients_parsing_ref.html
== linear_gradients_reverse_a.html linear_gradients_reverse_ref.html
!= linear_gradients_smoke_a.html linear_gradients_smoke_ref.html
== linebreak_inline_span_a.html linebreak_inline_span_b.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index f02f599f18d..c5db23b1d57 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -971,6 +971,18 @@
"url": "/_mozilla/css/linear_gradients_lengths_a.html"
}
],
+ "css/linear_gradients_parsing_a.html": [
+ {
+ "path": "css/linear_gradients_parsing_a.html",
+ "references": [
+ [
+ "/_mozilla/css/linear_gradients_parsing_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/linear_gradients_parsing_a.html"
+ }
+ ],
"css/max_width_float_simple_a.html": [
{
"path": "css/max_width_float_simple_a.html",
@@ -4368,6 +4380,18 @@
"url": "/_mozilla/css/linear_gradients_lengths_a.html"
}
],
+ "css/linear_gradients_parsing_a.html": [
+ {
+ "path": "css/linear_gradients_parsing_a.html",
+ "references": [
+ [
+ "/_mozilla/css/linear_gradients_parsing_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/linear_gradients_parsing_a.html"
+ }
+ ],
"css/max_width_float_simple_a.html": [
{
"path": "css/max_width_float_simple_a.html",
diff --git a/tests/ref/linear_gradients_parsing_a.html b/tests/wpt/mozilla/tests/css/linear_gradients_parsing_a.html
similarity index 89%
rename from tests/ref/linear_gradients_parsing_a.html
rename to tests/wpt/mozilla/tests/css/linear_gradients_parsing_a.html
index 1e08db47b71..8bd5f099512 100644
--- a/tests/ref/linear_gradients_parsing_a.html
+++ b/tests/wpt/mozilla/tests/css/linear_gradients_parsing_a.html
@@ -1,6 +1,7 @@
+