Merge analysis_testing package into analysis_server.

pkg/analysis_server/test/integration/analysis/outline_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.analysis.outline;
 
-import 'package:analysis_testing/reflective_tests.dart';
+import '../../reflective_tests.dart';
 import 'package:unittest/unittest.dart';
 
 import '../integration_tests.dart';
 
 @ReflectiveTestCase()
 class Test extends AbstractAnalysisServerIntegrationTest {
   test_outline() {
     String pathname = sourcePath('test.dart');
     String text =
         r'''
@@ skipping 56 matching lines @@
     for (int i = 0; i < outlineObjects.length - 1; i++) {
       expect(outlineObjects[i + 1]['offset'], equals(outlineObjects[i]['offset']
           + outlineObjects[i]['length']));
     }
   }
 }
 
 main() {
   runReflectiveTests(Test);
 }