diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index 892d423d807a..48983914ea71 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -5837,6 +5837,18 @@
{}
]
],
+ "css/table_rowspan_notequal_a.html": [
+ [
+ "/_mozilla/css/table_rowspan_notequal_a.html",
+ [
+ [
+ "/_mozilla/css/table_rowspan_notequal_ref.html",
+ "!="
+ ]
+ ],
+ {}
+ ]
+ ],
"css/table_rowspan_rowgroup_a.html": [
[
"/_mozilla/css/table_rowspan_rowgroup_a.html",
@@ -9756,6 +9768,11 @@
{}
]
],
+ "css/table_rowspan_notequal_ref.html": [
+ [
+ {}
+ ]
+ ],
"css/table_rowspan_rowgroup_ref.html": [
[
{}
@@ -63932,6 +63949,14 @@
"e045db1f738850e516079b66f915ba314b54ed99",
"support"
],
+ "css/table_rowspan_notequal_a.html": [
+ "ec7ab6318a498f6b88369f097af53a0626c6fb1d",
+ "reftest"
+ ],
+ "css/table_rowspan_notequal_ref.html": [
+ "2a07facbd9f417264b46f6419ab00593051dae56",
+ "support"
+ ],
"css/table_rowspan_rowgroup_a.html": [
"aadc4cdd09585330446dd231452c04810833f586",
"reftest"
diff --git a/tests/wpt/mozilla/meta/css/table_rowspan_rowgroup_a.html.ini b/tests/wpt/mozilla/meta/css/table_rowspan_rowgroup_a.html.ini
new file mode 100644
index 000000000000..8a07107a5563
--- /dev/null
+++ b/tests/wpt/mozilla/meta/css/table_rowspan_rowgroup_a.html.ini
@@ -0,0 +1,2 @@
+[table_rowspan_rowgroup_a.html]
+ expected: FAIL
diff --git a/tests/wpt/mozilla/tests/css/table_rowspan_notequal_a.html b/tests/wpt/mozilla/tests/css/table_rowspan_notequal_a.html
new file mode 100644
index 000000000000..f37ad51c0ecd
--- /dev/null
+++ b/tests/wpt/mozilla/tests/css/table_rowspan_notequal_a.html
@@ -0,0 +1,18 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/wpt/mozilla/tests/css/table_rowspan_notequal_ref.html b/tests/wpt/mozilla/tests/css/table_rowspan_notequal_ref.html
new file mode 100644
index 000000000000..2b1e1b6bbcdd
--- /dev/null
+++ b/tests/wpt/mozilla/tests/css/table_rowspan_notequal_ref.html
@@ -0,0 +1,17 @@
+
+
+
+
+
+
+
+
+