Start cleaning up the HTML tests.

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

Index: pkg/dev_compiler/test/codegen/lib/html/text_event_test.dart
diff --git a/pkg/dev_compiler/test/codegen/lib/html/text_event_test.dart b/pkg/dev_compiler/test/codegen/lib/html/text_event_test.dart
index 5be0651808164851d8d3b1ca5fd085d9e262b9df..9b063451963c899c7e4228c0b001e58b2c802cb8 100644
--- a/pkg/dev_compiler/test/codegen/lib/html/text_event_test.dart
+++ b/pkg/dev_compiler/test/codegen/lib/html/text_event_test.dart
@@ -2,17 +2,13 @@
 // 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 text_event_test;
-import "package:expect/expect.dart";
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 
+import 'package:minitest/minitest.dart';
+
 import 'event_test.dart';
 
 main() {
-  useHtmlConfiguration();
-
   eventTest('TextEvent', () => new TextEvent('foo', view: window, data: 'data'),
       (ev) { expect(ev.data, 'data'); });
 }