Specify mapUri for directories

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/tool/spec/generate_files".
 
 /**
  * Convenience methods for running integration tests
@@ skipping 1342 matching lines @@
       return null;
     });
   }
 
   /**
    * Map a URI from the execution context to the file that it corresponds to,
    * or map a file to the URI that it corresponds to in the execution context.
    *
    * Exactly one of the file and uri fields must be provided.
    *
+   * If the file field is provided and the value is not the path of a file
+   * (either the file does not exist or the path references something other
+   * than a file), then an error of type MAP_URI_INVALID_FILE will be
+   * generated.
+   *
+   * If the uri field is provided and the value is not a valid URI or if the
+   * URI references something that is not a file (either a file that does not
+   * exist or something other than a file), then an error of type
+   * MAP_URI_INVALID_URI will be generated.
+   *
+   * If the contextRoot used to create the execution context is not a file
+   * (either the file does not exist or the path references something other
+   * than a file), then an error of type INVALID_EXECUTION_CONTEXT will be
+   * generated.
+   *
    * Parameters
    *
    * id ( ExecutionContextId )
    *
    *   The identifier of the execution context in which the URI is to be
    *   mapped.
    *
    * file ( optional FilePath )
    *
    *   The path of the file to be mapped into a URI.
@@ skipping 180 matching lines @@
       case "execution.launchData":
         expect(params, isExecutionLaunchDataParams);
         _onExecutionLaunchData.add(new ExecutionLaunchDataParams.fromJson(decoder, 'params', params));
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }