Bug 1494158 [wpt PR 13210] - Update wpt metadata, a=testonly

wpt-pr: 13210
wpt-type: metadata

testing/web-platform/meta/html/semantics/forms/the-form-element/form-autocomplete.html.ini

@@ -91,3 +91,9 @@
   [transaction-amount is an allowed autocomplete field name]
     expected: FAIL
 
+  [Serialize combinations of section, mode, contact, and field]
+    expected: FAIL
+
+  [Test 'wearing the autofill anchor mantle' with off/on]
+    expected: FAIL
+