Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/src/dart/constant/value_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.test.src.dart.constant.value_test;
 
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/testing/test_type_provider.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../../../generated/test_support.dart';
-import '../../../utils.dart';
 
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(DartObjectImplTest);
   });
 }
 
 const Matcher isEvaluationException = const isInstanceOf<EvaluationException>();
 
 const int LONG_MAX_VALUE = 0x7fffffffffffffff;
 
 const Matcher throwsEvaluationException = const Throws(isEvaluationException);
@@ skipping 1957 matching lines @@
     } else {
       return new DartObjectImpl(
           _typeProvider.stringType, new StringState(value));
     }
   }
 
   DartObjectImpl _symbolValue(String value) {
     return new DartObjectImpl(_typeProvider.symbolType, new SymbolState(value));
   }
 }