Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/generated/sdk_test.dart

 // Copyright (c) 2014, 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.test.generated.sdk_test;
 
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../src/context/mock_sdk.dart';
-import '../utils.dart';
 import 'test_support.dart';
 
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(DartSdkManagerTest);
     defineReflectiveTests(SdkDescriptionTest);
   });
 }
 
 @reflectiveTest
 class DartSdkManagerTest extends EngineTestCase {
   void test_anySdk() {
     DartSdkManager manager =
@@ skipping 91 matching lines @@
   }
 
   void test_equals_samePaths_sameOptions_single() {
     String path = '/a/b/c';
     AnalysisOptions options = new AnalysisOptionsImpl();
     SdkDescription left = new SdkDescription(<String>[path], options);
     SdkDescription right = new SdkDescription(<String>[path], options);
     expect(left == right, isTrue);
   }
 }