diff --git a/testing/web-platform/meta/wake-lock/wakelock-type.https.html.ini b/testing/web-platform/meta/wake-lock/wakelock-type.https.html.ini
index 1032e94d963b..99e8a000432b 100644
--- a/testing/web-platform/meta/wake-lock/wakelock-type.https.html.ini
+++ b/testing/web-platform/meta/wake-lock/wakelock-type.https.html.ini
@@ -11,3 +11,9 @@
   ['WakeLockTypeNotSupported' is thrown when set an unsupported wake lock type]
     expected: FAIL
 
+  ['NotSupportedError' is thrown when set an empty wake lock type]
+    expected: FAIL
+
+  ['NotSupportedError' is thrown when set an unsupported wake lock type]
+    expected: FAIL
+