diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 11a335a225c..410a1a66f40 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -333,7 +333,6 @@ resolution=300x300,device-pixel-ratio=2 != pixel_snapping_position_a.html pixel_
!= text_overflow_a.html text_overflow_ref.html
== text_shadow_multiple_shadows_a.html text_shadow_multiple_shadows_ref.html
== text_transform_capitalize_a.html text_transform_capitalize_ref.html
-== text_transform_uppercase_a.html text_transform_uppercase_ref.html
== transform_3d.html transform_3d_ref.html
flaky_cpu,prefs:"layout.writing-mode.enabled" == vertical-lr-blocks.html vertical-lr-blocks_ref.html
== viewport_meta.html viewport_rule_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index dc4bfeb0714..596a001f146 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -711,6 +711,18 @@
"url": "/_mozilla/css/text_transform_none_a.html"
}
],
+ "css/text_transform_uppercase_a.html": [
+ {
+ "path": "css/text_transform_uppercase_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_transform_uppercase_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_transform_uppercase_a.html"
+ }
+ ],
"css/transform_optimization.html": [
{
"path": "css/transform_optimization.html",
@@ -2372,6 +2384,18 @@
"url": "/_mozilla/css/text_transform_none_a.html"
}
],
+ "css/text_transform_uppercase_a.html": [
+ {
+ "path": "css/text_transform_uppercase_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_transform_uppercase_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_transform_uppercase_a.html"
+ }
+ ],
"css/transform_optimization.html": [
{
"path": "css/transform_optimization.html",
diff --git a/tests/ref/text_transform_uppercase_a.html b/tests/wpt/mozilla/tests/css/text_transform_uppercase_a.html
similarity index 78%
rename from tests/ref/text_transform_uppercase_a.html
rename to tests/wpt/mozilla/tests/css/text_transform_uppercase_a.html
index e70ba05cd6c..fe96b8ad645 100644
--- a/tests/ref/text_transform_uppercase_a.html
+++ b/tests/wpt/mozilla/tests/css/text_transform_uppercase_a.html
@@ -1,5 +1,6 @@
+You çan do anything at ゾムボ.com
diff --git a/tests/ref/text_transform_uppercase_ref.html b/tests/wpt/mozilla/tests/css/text_transform_uppercase_ref.html
similarity index 100%
rename from tests/ref/text_transform_uppercase_ref.html
rename to tests/wpt/mozilla/tests/css/text_transform_uppercase_ref.html