Switch analysis_server to use 'package:test'.

pkg/analysis_server/test/integration/analysis/get_hover_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.get.hover;
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:path/path.dart';
+import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:unittest/unittest.dart';
 
 import '../../utils.dart';
 import '../integration_tests.dart';
 
 main() {
   initializeTestEnvironment();
-  defineReflectiveTests(AnalysisGetHoverIntegrationTest);
+  defineReflectiveSuite(() {
+    defineReflectiveTests(AnalysisGetHoverIntegrationTest);
+  });
 }
 
 @reflectiveTest
 class AnalysisGetHoverIntegrationTest
     extends AbstractAnalysisServerIntegrationTest {
   /**
    * Pathname of the file containing Dart code.
    */
   String pathname;
 
@@ skipping 152 matching lines @@
       tests.add(checkHover(
           'func(35', 4, ['func', 'int', 'param'], 'function', ['int', 'void'],
           docRegexp: 'Documentation for func'));
       tests.add(checkHover('35', 2, null, null, ['int'],
           isLiteral: true, parameterRegexps: ['int', 'param']));
       tests.add(checkNoHover('comment'));
       return Future.wait(tests);
     });
   }
 }