Removing DateTimeInputElement.

tests/html/input_element_test.dart

Index: tests/html/input_element_test.dart
diff --git a/tests/html/input_element_test.dart b/tests/html/input_element_test.dart
index 8f63658a8db044fa92b02e76cc8bc40402ad19d6..cee9804ac6d27888e93df77e002b6571bd3943da 100644
--- a/tests/html/input_element_test.dart
+++ b/tests/html/input_element_test.dart
@@ -39,12 +39,6 @@ main() {
     });
   });
 
-  group('supported_datetime', () {
-    test('supported', () {
-      expect(DateTimeInputElement.supported, true);
-    });
-  });
-
   group('supported_date', () {
     test('supported', () {
       expect(DateInputElement.supported, true);
@@ -117,11 +111,6 @@ main() {
       check(new PasswordInputElement(), 'password');
     });
 
-    test('datetime', () {
-      check(new DateTimeInputElement(), 'datetime',
-          DateTimeInputElement.supported);
-    });
-
     test('date', () {
       check(new DateInputElement(), 'date', DateInputElement.supported);
     });