Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/src/util/lru_map_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.util.lru_map_test;
 
 import 'package:analyzer/src/util/lru_map.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../../utils.dart';
-
 main() {
-  initializeTestEnvironment();
   defineReflectiveSuite(() {
     defineReflectiveTests(_LRUCacheTest);
   });
 }
 
 @reflectiveTest
 class _LRUCacheTest {
   LRUMap<int, String> cache = new LRUMap<int, String>(3);
 
   void test_evict_notGet() {
@@ skipping 64 matching lines @@
     cache.put(3, 'C');
     // remove
     cache.remove(1);
     cache.remove(3);
     // check
     expect(cache.get(1), isNull);
     expect(cache.get(2), 'B');
     expect(cache.get(3), isNull);
   }
 }