Start cleaning up the HTML tests.

pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart

Index: pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart
diff --git a/pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart b/pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart
index 424d52f53f38efdc51f05a560e9a25def43052d2..b43e3ab5bfd6a1bc178efc5432de4705b413a285 100644
--- a/pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart
+++ b/pkg/dev_compiler/test/codegen/lib/html/cdata_test.dart
@@ -2,15 +2,11 @@
 // 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
 
-library cdata_test;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 
+import 'package:minitest/minitest.dart';
 
 main() {
-  useHtmlConfiguration();
-
   test('remove', () {
     var div = new Element.html('<div>content</div>');
     var cdata = div.nodes[0];