Switch analyzer_cli to 'package:test'.

pkg/analyzer_cli/test/boot_loader_test.dart

 // Copyright (c) 2016, 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.
 
 library analyzer_cli.test.boot_loader_test;
 
 import 'dart:io';
 
 import 'package:analyzer/src/plugin/plugin_configuration.dart';
 import 'package:analyzer_cli/src/boot_loader.dart';
 import 'package:analyzer_cli/src/driver.dart';
 import 'package:analyzer_cli/src/options.dart';
 import 'package:path/path.dart' as path;
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 
 import 'utils.dart';
 
 main() {
   StringSink savedOutSink, savedErrorSink;
   int savedExitCode;
   ExitHandler savedExitHandler;
 
   /// Base setup.
   _setUp() {
@@ skipping 11 matching lines @@
     outSink = savedOutSink;
     errorSink = savedErrorSink;
     exitCode = savedExitCode;
     exitHandler = savedExitHandler;
   }
 
   setUp(() => _setUp());
 
   tearDown(() => _tearDown());
 
-  initializeTestEnvironment();
-
   group('Bootloader', () {
     group('plugin processing', () {
       test('bad format', () {
         BootLoader loader = new BootLoader();
         loader.createImage([
           '--options',
           path.join(testDirectory, 'data/bad_plugin_options.yaml'),
           path.join(testDirectory, 'data/test_file.dart')
         ]);
         expect(
@@ skipping 31 matching lines @@
               validate(new PluginInfo(
                   name: 'test_plugin',
                   className: 'MyPlugin',
                   libraryUri: 'my_package/foo.dart')),
               isNull);
         });
       });
     });
   });
 }