Deprecate execution.setSubscriptions.

pkg/analysis_server/test/integration/execution/set_subscriptions_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(SetSubscriptionsTest);
   });
 }
 
 @reflectiveTest
 class SetSubscriptionsTest extends AbstractAnalysisServerIntegrationTest {
-  @failingTest
   test_subscribe() async {
-    // Bad state: Should not be used with the new analysis driver (#28806)
-    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;
 }