Fix the execution.setSubscriptions test.

pkg/analysis_server/test/integration/execution/set_subscription_test.dart

-// Copyright (c) 2017, 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 '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(SetSubscriptionTest);
-  });
-}
-
-@reflectiveTest
-class SetSubscriptionTest extends AbstractAnalysisServerIntegrationTest {
-  // Bad state: Should not be used with the new analysis driver (#28806)
-  @failingTest
-  test_create() async {
-    writeFile(sourcePath('.packages'), 'foo:lib/');
-    standardAnalysisSetup();
-    await sendExecutionSetSubscriptions([ExecutionService.LAUNCH_DATA]);
-
-    String contextId =
-        (await sendExecutionCreateContext(sourceDirectory.path)).id;
-    expect(contextId, isNotNull);
-
-    String pathname = sourcePath('lib/main.dart');
-    writeFile(pathname, 'void main() {}');
-
-    ExecutionLaunchDataParams data = await onExecutionLaunchData.first;
-    expect(data.kind, ExecutableKind.SERVER);
-    expect(data.file, pathname);
-  }
-
-  @override
-  bool get enableNewAnalysisDriver => true;
-}