Update the analysis server integration tests to always run on the analysis driver.

pkg/analysis_server/test/integration/server/set_subscriptions_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.
 
 import 'dart:async';
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 import '../integration_tests.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(SetSubscriptionsTest);
-    defineReflectiveTests(SetSubscriptionsTest_Driver);
   });
 }
 
-class AbstractSetSubscriptionsTest
-    extends AbstractAnalysisServerIntegrationTest {
+@reflectiveTest
+class SetSubscriptionsTest extends AbstractAnalysisServerIntegrationTest {
   test_setSubscriptions() {
     bool statusReceived = false;
     Completer analysisBegun = new Completer();
     onServerStatus.listen((_) {
       statusReceived = true;
     });
     onAnalysisErrors.listen((_) {
       if (!analysisBegun.isCompleted) {
         analysisBegun.complete();
       }
@@ skipping 20 matching lines @@
   var y;
 }''');
           // Analysis should eventually complete, and we should be notified
           // about it.
           return analysisFinished;
         });
       });
     });
   }
 }
-
-@reflectiveTest
-class SetSubscriptionsTest extends AbstractSetSubscriptionsTest {}
-
-@reflectiveTest
-class SetSubscriptionsTest_Driver extends AbstractSetSubscriptionsTest {
-  @override
-  bool get enableNewAnalysisDriver => true;
-
-  @failingTest
-  @override
-  test_setSubscriptions() {
-    // This test times out on the bots and has been disabled to keep them green.
-    // We need to discover the cause and re-enable it.
-    fail('Timed out');
-  }
-}