diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 94e469f3680..d1fb18ce968 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -31,7 +31,6 @@ flaky_cpu == append_style_a.html append_style_b.html
== br.html br-ref.html
== calc-basic.html calc-basic-ref.html
== canvas_as_block_element_a.html canvas_as_block_element_ref.html
-== canvas_linear_gradient_a.html canvas_linear_gradient_ref.html
== canvas_radial_gradient_a.html canvas_radial_gradient_ref.html
== case-insensitive-font-family.html case-insensitive-font-family-ref.html
== clear_generated_content_table_a.html clear_generated_content_table_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 94aa9ca04e5..1e272b695a7 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -779,6 +779,18 @@
"url": "/_mozilla/css/border_spacing_a.html"
}
],
+ "css/canvas_linear_gradient_a.html": [
+ {
+ "path": "css/canvas_linear_gradient_a.html",
+ "references": [
+ [
+ "/_mozilla/css/canvas_linear_gradient_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/canvas_linear_gradient_a.html"
+ }
+ ],
"css/class-namespaces.html": [
{
"path": "css/class-namespaces.html",
@@ -5016,6 +5028,18 @@
"url": "/_mozilla/css/border_spacing_a.html"
}
],
+ "css/canvas_linear_gradient_a.html": [
+ {
+ "path": "css/canvas_linear_gradient_a.html",
+ "references": [
+ [
+ "/_mozilla/css/canvas_linear_gradient_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/canvas_linear_gradient_a.html"
+ }
+ ],
"css/class-namespaces.html": [
{
"path": "css/class-namespaces.html",
diff --git a/tests/ref/canvas_linear_gradient_a.html b/tests/wpt/mozilla/tests/css/canvas_linear_gradient_a.html
similarity index 89%
rename from tests/ref/canvas_linear_gradient_a.html
rename to tests/wpt/mozilla/tests/css/canvas_linear_gradient_a.html
index 5fc3f259e0a..9042ab36ec1 100644
--- a/tests/ref/canvas_linear_gradient_a.html
+++ b/tests/wpt/mozilla/tests/css/canvas_linear_gradient_a.html
@@ -1,6 +1,7 @@
+