diff --git a/testing/web-platform/meta/cookies/samesite/about-blank-nested.https.html.ini b/testing/web-platform/meta/cookies/samesite/about-blank-nested.https.html.ini
new file mode 100644
index 000000000000..6bcf349b36fb
--- /dev/null
+++ b/testing/web-platform/meta/cookies/samesite/about-blank-nested.https.html.ini
@@ -0,0 +1,5 @@
+[about-blank-nested.https.html]
+  expected: TIMEOUT
+  [SameSite cookies with intervening about:blank iframes and navigation]
+    expected: TIMEOUT
+