Add an integration test for analysis.overrides.

pkg/analysis_server/test/integration/integration_test_methods.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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/spec/generate_files".
 
 /**
  * Convenience methods for running integration tests
@@ skipping 618 matching lines @@
    *   The outline associated with the file.
    */
   Stream onAnalysisOutline;
 
   /**
    * Stream controller for [onAnalysisOutline].
    */
   StreamController _onAnalysisOutline;
 
   /**
-   * Reports the overridding members in a file. This notification currently
-   * includes only members that override a member from a superclass. In
-   * particular, it does not include members that override members from
-   * interfaces.
+   * Reports the overridding members in a file.
    *
    * This notification is not subscribed to by default. Clients can subscribe
    * by including the value "OVERRIDES" in the list of services passed in an
    * analysis.setSubscriptions request.
    *
    * Parameters
    *
    * file ( FilePath )
    *
    *   The file with which the overrides are associated.
@@ skipping 792 matching lines @@
       case "debug.launchData":
         expect(params, isDebugLaunchDataParams);
         _onDebugLaunchData.add(params);
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }