diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index d1c8b7dcb28..8bc7f65686b 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -15,7 +15,6 @@ flaky_cpu == append_style_a.html append_style_b.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
-# text_decoration_propagation_a.html text_decoration_propagation_b.html
flaky_cpu,prefs:"layout.writing-mode.enabled" == vertical-lr-blocks.html vertical-lr-blocks_ref.html
resolution=800x600 == viewport_percentage_vmin_vmax.html viewport_percentage_vmin_vmax_a.html
# resolution=600x800 == viewport_percentage_vmin_vmax.html viewport_percentage_vmin_vmax_b.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index fe1558c6762..7b1e642868e 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -4375,6 +4375,18 @@
"url": "/_mozilla/css/text_decoration_cached.html"
}
],
+ "css/text_decoration_propagation_a.html": [
+ {
+ "path": "css/text_decoration_propagation_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_decoration_propagation_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_decoration_propagation_a.html"
+ }
+ ],
"css/text_decoration_smoke_a.html": [
{
"path": "css/text_decoration_smoke_a.html",
@@ -10158,6 +10170,18 @@
"url": "/_mozilla/css/text_decoration_cached.html"
}
],
+ "css/text_decoration_propagation_a.html": [
+ {
+ "path": "css/text_decoration_propagation_a.html",
+ "references": [
+ [
+ "/_mozilla/css/text_decoration_propagation_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/text_decoration_propagation_a.html"
+ }
+ ],
"css/text_decoration_smoke_a.html": [
{
"path": "css/text_decoration_smoke_a.html",
diff --git a/tests/wpt/mozilla/meta/css/text_decoration_propagation_a.html.ini b/tests/wpt/mozilla/meta/css/text_decoration_propagation_a.html.ini
new file mode 100644
index 00000000000..12d7ad7b519
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/text_decoration_propagation_a.html.ini
@@ -0,0 +1,4 @@
+[text_decoration_propagation_a.html]
+ type: reftest
+ expected: FAIL
+ bug: https://github.com/servo/servo/issues/8783
diff --git a/tests/ref/text_decoration_propagation_a.html b/tests/wpt/mozilla/tests/css/text_decoration_propagation_a.html
similarity index 82%
rename from tests/ref/text_decoration_propagation_a.html
rename to tests/wpt/mozilla/tests/css/text_decoration_propagation_a.html
index 4811fbb2a2a..52975110ef0 100644
--- a/tests/ref/text_decoration_propagation_a.html
+++ b/tests/wpt/mozilla/tests/css/text_decoration_propagation_a.html
@@ -2,6 +2,7 @@
I CAN'T LIVE ANOTHER DAY WITHOUT AIR CONDITIONING!
+