Adjust status of data_uri_failures_test to allow for the browser's more permissive handling of data…

runtime/tests/vm/dart/data_uri_failures_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-// Wrong MIME.
-import 'data:text/plain;charset=utf-8,foo%28%29%20%3D%3E%2042%3B';  /// 01: runtime error
-
-// No MIME.
-import 'data:;charset=utf-8,foo%28%29%20%3D%3E%2042%3B';  /// 02: runtime error
-
-// Wrong charset.
-import 'data:application/dart;charset=utf-16,foo%28%29%20%3D%3E%2042%3B';  /// 03: runtime error
-
-// No charset.
-import 'data:application/dart,foo%28%29%20%3D%3E%2042%3B';  /// 04: runtime error
-
-// Bad encoding.
-import 'data:application/dart;charset=utf-8,foo?%9g';  /// 05: runtime error
-
-// Wrong encoding.
-import 'data:application/dart;charset=utf-8;base64,Zm9vKCkgPT4gNDI7';  /// 06: runtime error
+import 'data:text/plain;charset=utf-8,foo%28%29%20%3D%3E%2042%3B';  /// wrongmime: ok
+import 'data:;charset=utf-8,foo%28%29%20%3D%3E%2042%3B';  /// nomime: ok
+import 'data:application/dart;charset=utf-16,foo%28%29%20%3D%3E%2042%3B';  /// utf16: runtime error
+import 'data:application/dart,foo%28%29%20%3D%3E%2042%3B';  /// nocharset: ok
+import 'data:application/dart;charset=utf-8,foo?%9g';  /// badencodeddate: runtime error
+import 'data:application/dart;charset=utf-8;base64,Zm9vKCkgPT4gNDI7';  /// base64: ok
 
 main() {
 }