Merge analysis_testing package into analysis_server.

pkg/analysis_server/test/integration/server/get_version_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 test.integration.server.get.version;
 
 
-import 'package:analysis_testing/reflective_tests.dart';
+import '../../reflective_tests.dart';
 
 import '../integration_tests.dart';
 
 @ReflectiveTestCase()
 class Test extends AbstractAnalysisServerIntegrationTest {
   test_getVersion() {
     return sendServerGetVersion();
   }
 }
 
 main() {
   runReflectiveTests(Test);
 }