Start cleaning up the HTML tests.

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

Index: pkg/dev_compiler/test/codegen/lib/html/dom_constructors_test.dart
diff --git a/pkg/dev_compiler/test/codegen/lib/html/dom_constructors_test.dart b/pkg/dev_compiler/test/codegen/lib/html/dom_constructors_test.dart
index a2bcf55e73625446357634964abb3f04f2bcd470..5616876def73e22fd1a5129d80f8600a393244f1 100644
--- a/pkg/dev_compiler/test/codegen/lib/html/dom_constructors_test.dart
+++ b/pkg/dev_compiler/test/codegen/lib/html/dom_constructors_test.dart
@@ -1,10 +1,8 @@
-library DOMConstructorsTest;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 
+import 'package:minitest/minitest.dart';
+
 main() {
-  useHtmlConfiguration();
   test('FileReader', () {
     FileReader fileReader = new FileReader();
     expect(fileReader.readyState, equals(FileReader.EMPTY));