Start cleaning up the HTML tests.

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

Index: pkg/dev_compiler/test/codegen/lib/html/geolocation_test.dart
diff --git a/pkg/dev_compiler/test/codegen/lib/html/geolocation_test.dart b/pkg/dev_compiler/test/codegen/lib/html/geolocation_test.dart
index c49e531a6d3b391462cd3b9252a17d7836e55101..db08835359b1fe4e988571a31af35b0042c30686 100644
--- a/pkg/dev_compiler/test/codegen/lib/html/geolocation_test.dart
+++ b/pkg/dev_compiler/test/codegen/lib/html/geolocation_test.dart
@@ -2,14 +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 geolocation_test;
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
 import 'dart:html';
 
-main() {
-  useHtmlConfiguration();
+import 'package:minitest/minitest.dart';
 
+main() {
   // Actual tests require browser interaction. This just makes sure the API
   // is present.
   test('is not null', () {