diff --git a/tests/ref/basic.list b/tests/ref/basic.list
index 9f3fe280a2e..76480dc0ba9 100644
--- a/tests/ref/basic.list
+++ b/tests/ref/basic.list
@@ -9,7 +9,6 @@
# Should be == with expected failure:
fragment=top != ../html/acid2.html acid2_ref.html
-== acid1_a.html acid1_b.html
== acid2_noscroll.html acid2_ref_broken.html
flaky_cpu == append_style_a.html append_style_b.html
== border_spacing_auto_layout_a.html border_spacing_ref.html
diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 7a22ac35824..191b5ca2c37 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -123,6 +123,18 @@
"url": "/_mozilla/css/absolute_z_index_auto_paint_order_a.html"
}
],
+ "css/acid1_a.html": [
+ {
+ "path": "css/acid1_a.html",
+ "references": [
+ [
+ "/_mozilla/css/acid1_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/acid1_a.html"
+ }
+ ],
"css/after_block_iteration.html": [
{
"path": "css/after_block_iteration.html",
@@ -4600,6 +4612,18 @@
"url": "/_mozilla/css/absolute_z_index_auto_paint_order_a.html"
}
],
+ "css/acid1_a.html": [
+ {
+ "path": "css/acid1_a.html",
+ "references": [
+ [
+ "/_mozilla/css/acid1_b.html",
+ "=="
+ ]
+ ],
+ "url": "/_mozilla/css/acid1_a.html"
+ }
+ ],
"css/after_block_iteration.html": [
{
"path": "css/after_block_iteration.html",
diff --git a/tests/ref/acid1.png b/tests/wpt/mozilla/tests/css/acid1.png
similarity index 100%
rename from tests/ref/acid1.png
rename to tests/wpt/mozilla/tests/css/acid1.png
diff --git a/tests/ref/acid1_a.html b/tests/wpt/mozilla/tests/css/acid1_a.html
similarity index 98%
rename from tests/ref/acid1_a.html
rename to tests/wpt/mozilla/tests/css/acid1_a.html
index 213e59b73da..29332cb4cc7 100644
--- a/tests/ref/acid1_a.html
+++ b/tests/wpt/mozilla/tests/css/acid1_a.html
@@ -1,5 +1,6 @@
+
display/box/float/clear test
diff --git a/tests/ref/acid1_b.html b/tests/wpt/mozilla/tests/css/acid1_b.html
similarity index 100%
rename from tests/ref/acid1_b.html
rename to tests/wpt/mozilla/tests/css/acid1_b.html