             MIJSONKeySourceObject : movieImporterObject,
             MIJSONPropertyMovieSourceTrack : videoTrackID,
             MIJSONPropertyMovieSourceTimeRange : sourceSegmentTimeRange,
-            MIJSONPropertyMovieInsertionTime : insertionTime,
-            // MIJSONPropertyMovieAddPassthruInstruction : true
+            MIJSONPropertyMovieInsertionTime : insertionTime
         ]
 
         let result7 = MIMovingImagesHandleCommand(context, insertVideoSegmentCommand)

                ]
            ]
        ]
        let result8 = MIMovingImagesHandleCommand(context, addPassthruInstructionCommand)
        let error8 = MIGetErrorCodeFromReplyDictionary(result8)
        XCTAssertEqual(error8, MIReplyErrorEnum.NoError,

            // No point in continuing this test if adding a passthru instruction fails.
            return
        }

        //
        // Get the list of compatible presets
        //
