Use a separate request for 'Sort members' feature, not a refactoring.

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 1184 matching lines @@
     return server.send("edit.getRefactoring", params)
         .then((result) {
       if (checkTypes) {
         expect(result, isEditGetRefactoringResult);
       }
       return result;
     });
   }
 
   /**
+   * Sort all of the directives, unit and class members of the given Dart file.
+   *
+   * Parameters
+   *
+   * file ( FilePath )
+   *
+   *   The Dart file to sort.
+   *
+   * Returns
+   *
+   * edit ( SourceFileEdit )
+   *
+   *   The file edit that is to be applied to the given file to effect the
+   *   sorting.
+   */
+  Future sendEditSortMembers(String file, {bool checkTypes: true}) {
+    Map<String, dynamic> params = {};
+    params["file"] = file;
+    if (checkTypes) {
+      expect(params, isEditSortMembersParams);
+    }
+    return server.send("edit.sortMembers", params)
+        .then((result) {
+      if (checkTypes) {
+        expect(result, isEditSortMembersResult);
+      }
+      return result;
+    });
+  }
+
+  /**
    * Create an execution context for the executable file with the given path.
    * The context that is created will persist until execution.deleteContext is
    * used to delete it. Clients, therefore, are responsible for managing the
    * lifetime of execution contexts.
    *
    * Parameters
    *
    * contextRoot ( FilePath )
    *
    *   The path of the Dart or HTML file that will be launched.
@@ skipping 255 matching lines @@
       case "execution.launchData":
         expect(params, isExecutionLaunchDataParams);
         _onExecutionLaunchData.add(params);
         break;
       default:
         fail('Unexpected notification: $event');
         break;
     }
   }
 }