diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index e5e64d14a6c..3e83ff4e381 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -236,7 +236,6 @@ flaky_cpu == linebreak_simple_a.html linebreak_simple_b.html
== overflow_simple_a.html overflow_simple_b.html
== overflow_wrap_a.html overflow_wrap_ref.html
== overflow_xy_a.html overflow_xy_ref.html
-== per_glyph_font_fallback_a.html per_glyph_font_fallback_ref.html
resolution=300x300,device-pixel-ratio=2 != pixel_snapping_border_a.html pixel_snapping_border_ref.html
resolution=300x300,device-pixel-ratio=2 != pixel_snapping_position_a.html pixel_snapping_position_ref.html
# commented out because multiple layers don't work with reftests --pcwalton
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 9b46d1dc618..2db4c5f9856 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -683,6 +683,18 @@
"url": "/_mozilla/css/flex_nochild.html"
}
],
+ "css/per_glyph_font_fallback_a.html": [
+ {
+ "path": "css/per_glyph_font_fallback_a.html",
+ "references": [
+ [
+ "/_mozilla/css/per_glyph_font_fallback_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/per_glyph_font_fallback_a.html"
+ }
+ ],
"css/percent_height.html": [
{
"path": "css/percent_height.html",
@@ -3324,6 +3336,18 @@
"url": "/_mozilla/css/flex_nochild.html"
}
],
+ "css/per_glyph_font_fallback_a.html": [
+ {
+ "path": "css/per_glyph_font_fallback_a.html",
+ "references": [
+ [
+ "/_mozilla/css/per_glyph_font_fallback_ref.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/per_glyph_font_fallback_a.html"
+ }
+ ],
"css/percent_height.html": [
{
"path": "css/percent_height.html",
diff --git a/tests/ref/per_glyph_font_fallback_a.html b/tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html
similarity index 84%
rename from tests/ref/per_glyph_font_fallback_a.html
rename to tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html
index a6af8a9d262..dc0550ea191 100644
--- a/tests/ref/per_glyph_font_fallback_a.html
+++ b/tests/wpt/mozilla/tests/css/per_glyph_font_fallback_a.html
@@ -1,6 +1,7 @@
+