diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 9a26fe45c92..41d754d67e6 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_indent_a.html text_indent_ref.html
== text_justify_none_a.html text_justify_none_ref.html
!= text_overflow_a.html text_overflow_ref.html
-== text_overflow_basic_a.html text_overflow_basic_ref.html
== text_shadow_decorations_a.html text_shadow_decorations_ref.html
== text_shadow_multiple_shadows_a.html text_shadow_multiple_shadows_ref.html
== text_transform_capitalize_a.html text_transform_capitalize_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 43b4acb4c8a..ecc12801fe0 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -615,6 +615,18 @@
"url": "/_mozilla/css/table_specified_width_a.html"
}
],
+ "css/text_overflow_basic_a.html": [
+ {
+ "path": "css/text_overflow_basic_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_overflow_basic_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_overflow_basic_a.html"
+ }
+ ],
"css/text_shadow_blur_a.html": [
{
"path": "css/text_shadow_blur_a.html",
@@ -2204,6 +2216,18 @@
"url": "/_mozilla/css/table_specified_width_a.html"
}
],
+ "css/text_overflow_basic_a.html": [
+ {
+ "path": "css/text_overflow_basic_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_overflow_basic_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_overflow_basic_a.html"
+ }
+ ],
"css/text_shadow_blur_a.html": [
{
"path": "css/text_shadow_blur_a.html",
diff --git a/tests/ref/text_overflow_basic_a.html b/tests/wpt/mozilla/tests/css/text_overflow_basic_a.html
similarity index 80%
rename from tests/ref/text_overflow_basic_a.html
rename to tests/wpt/mozilla/tests/css/text_overflow_basic_a.html
index e8da344f467..7fa2222ece2 100644
--- a/tests/ref/text_overflow_basic_a.html
+++ b/tests/wpt/mozilla/tests/css/text_overflow_basic_a.html
@@ -1,6 +1,7 @@
+