         let movieExportPath = GetMoviePathInMoviesDir(
             fileName: "movieeditor_export1.mp4")
         
+        // I expect the exported movie to be cropped to the top left corner of
+        // the supplied content into the video track.
         let exportMovieCommand = [
             MIJSONKeyCommand : MIJSONValueExportCommand,
             MIJSONKeyReceiverObject : movieEditorObject,

            MIJSONPropertyFileType : AVFileTypeMPEG4,
            MIJSONPropertyFile : movieExportPath
        ]
        

        let cleanupCommands = [
            MIJSONKeyCommands : [

            ]
        ]
        
        let result12 = MIMovingImagesHandleCommands(context, cleanupCommands, nil)
        let error12 = MIGetErrorCodeFromReplyDictionary(result12)
        XCTAssertEqual(error12, MIReplyErrorEnum.NoError,
            "Error occurred when exporting the movie.")
    }
    
    func testInsertingSegmentsToAMovieEditorTrack() -> Void {
