diff --git a/tests/html/html.status b/tests/html/html.status
index ecf5d31a60c..4cd0ddbc017 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -19,6 +19,9 @@ storage_quota_test/missingenumcheck: Fail
 [ $compiler == none && $mode == debug && ($runtime == drt || $runtime == dartium || $runtime == ContentShellOnAndroid) ]
 datalistelement_test: Skip # Issue 20540
 
+[ $compiler == dart2js ]
+input_element_test/attributes: Fail # Issue 21555
+
 [ $compiler == dart2js && $csp ]
 custom/js_custom_test: Fail # Issue 14643
 custom/element_upgrade_test: Fail # Issue 17298
diff --git a/tests/html/input_element_test.dart b/tests/html/input_element_test.dart
index 02fb0627e12..0a12d0ba642 100644
--- a/tests/html/input_element_test.dart
+++ b/tests/html/input_element_test.dart
@@ -184,5 +184,11 @@ main() {
       e.value = null;
       expect(e.value, '');
     });
+    test('valueSetNullProxy', () {
+      final e = new TextInputElement();
+      var list = new List(5);
+      e.value = list[0];
+      expect(e.value, '');
+    });
   });
 }