Format all tests.

tests/isolate/browser/package_resolve_browser_hook2_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.
 
 import 'dart:js';
 import 'dart:isolate';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 
 main() async {
   useHtmlConfiguration();
 
   setUp(() {
-      context['defaultPackagesBase'] = 'path1/';
+    context['defaultPackagesBase'] = 'path1/';
   });
 
   test('hook overrides package-uri resolution', () async {
     var uri = await Isolate.resolvePackageUri(Uri.parse('package:foo/bar.txt'));
     expect(uri, Uri.base.resolve('path1/foo/bar.txt'));
   });
 
   test('hook is read once, on the first use of resolvePackageUri', () async {
     await Isolate.resolvePackageUri(Uri.parse('package:foo/bar.txt'));
     context['defaultPackagesBase'] = 'path2/';
     var uri = await Isolate.resolvePackageUri(Uri.parse('package:foo/bar.txt'));
     expect(uri, Uri.base.resolve('path1/foo/bar.txt'));
   });
 }