Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/src/task/incremental_element_builder_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.incremental_element_builder_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/visitor.dart';
 import 'package:analyzer/src/dart/ast/utilities.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/task/dart.dart';
 import 'package:analyzer/src/task/incremental_element_builder.dart';
 import 'package:analyzer/task/dart.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(IncrementalCompilationUnitElementBuilderTest);
   });
 }
 
 @reflectiveTest
 class IncrementalCompilationUnitElementBuilderTest extends AbstractContextTest {
   Source source;
 
   String oldCode;
@@ skipping 2186 matching lines @@
           unitMember is ClassDeclaration && unitMember.name.name == name);
 }
 
 class _MaterializeLazyElementsVisitor extends GeneralizingElementVisitor {
   @override
   visitExecutableElement(ExecutableElement element) {
     element.parameters;
     super.visitExecutableElement(element);
   }
 }