Fix pkg/analyzer_plugin/tool/spec/check_all_test.

pkg/analyzer_plugin/test/integration/support/integration_test_methods.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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 /**
  * Convenience methods for running integration tests
@@ skipping 246 matching lines @@
     var result = await server.send("analysis.updateContent", params);
     outOfTestExpect(result, isNull);
     return null;
   }
 
   /**
    * Used to report the errors associated with a given file. The set of errors
    * included in the notification is always a complete list that supersedes any
    * previously reported errors.
    *
-   * TODO: Decide whether we need to support the '--no-error-notification'
-   * option.
-   *
    * Parameters
    *
    * file (FilePath)
    *
    *   The file containing the errors.
    *
    * errors (List<AnalysisError>)
    *
    *   The errors contained in the file.
    */
@@ skipping 447 matching lines @@
       case "analysis.outline":
         outOfTestExpect(params, isAnalysisOutlineParams);
         _onAnalysisOutline.add(new AnalysisOutlineParams.fromJson(decoder, 'params', params));
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }