Remove 'initializeTestEnvironment' from 'analyzer'.

pkg/analyzer/test/generated/java_io_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.java_io_test;
 
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:path/path.dart' as path;
 import 'package:test/test.dart';
 
-import '../utils.dart';
-
 main() {
-  initializeTestEnvironment();
   group('JavaFile', () {
     group('toURI', () {
       test('forAbsolute', () {
         String tempPath = '/temp';
         String absolutePath = path.context.join(tempPath, 'foo.dart');
         // we use an absolute path
         expect(path.context.isAbsolute(absolutePath), isTrue,
             reason: '"$absolutePath" is not absolute');
         // test that toURI() returns an absolute URI
         Uri uri = new JavaFile(absolutePath).toURI();
@@ skipping 10 matching lines @@
         // it may be not on Windows, if "temp" is on other disk.
         String relPath = path.context.relative(absolutePath);
         // test that toURI() returns an absolute URI
         Uri uri = new JavaFile(relPath).toURI();
         expect(uri.isAbsolute, isTrue);
         expect(uri.scheme, 'file');
       });
     });
   });
 }