Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/src/task/html_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.
 
 library analyzer.test.src.task.html_test;
 
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/task/html.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/html.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:html/dom.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../../utils.dart';
 import '../context/abstract_context.dart';
 
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(DartScriptsTaskTest);
     defineReflectiveTests(HtmlErrorsTaskTest);
     defineReflectiveTests(ParseHtmlTaskTest);
   });
 }
 
 isInstanceOf isDartScriptsTask = new isInstanceOf<DartScriptsTask>();
 isInstanceOf isHtmlErrorsTask = new isInstanceOf<HtmlErrorsTask>();
 isInstanceOf isParseHtmlTask = new isInstanceOf<ParseHtmlTask>();
@@ skipping 342 matching lines @@
       expect(bodyElement.localName, 'body');
       // actual nodes
       expect(bodyElement.nodes, hasLength(4));
       expect((bodyElement.nodes[0] as Element).localName, 'div');
       expect((bodyElement.nodes[2] as Element).localName, 'span');
     }
     // it's OK to don't have DOCTYPE
     expect(outputs[HTML_DOCUMENT_ERRORS], isEmpty);
   }
 }