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

pkg/analysis_server/test/integration/server/set_subscriptions_test.dart

Index: pkg/analysis_server/test/integration/server/set_subscriptions_test.dart
diff --git a/pkg/analysis_server/test/integration/server/set_subscriptions_test.dart b/pkg/analysis_server/test/integration/server/set_subscriptions_test.dart
index 9ec4f3fcf4911f5cea549e0095a27c7b085f2784..3a8efa774c184c82172d416b2dcd47846a9db4fc 100644
--- a/pkg/analysis_server/test/integration/server/set_subscriptions_test.dart
+++ b/pkg/analysis_server/test/integration/server/set_subscriptions_test.dart
@@ -13,12 +13,11 @@ 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();
@@ -59,20 +58,3 @@ main() {
     });
   }
 }
-
-@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');
-  }
-}