     }
 
     ///
-    fileprivate func startSpeedMeasurement() {
+    private func startSpeedMeasurement() {
         testRunner = RMBTTestRunner(delegate: self)
         testRunner?.start()
 

    open var testRunner: RMBTTestRunner?

    ///
    fileprivate var qualityOfServiceTestRunner: QualityOfServiceTest?

    ///
    open var delegate: RMBTClientDelegate?

    ///
    fileprivate var resultUuid: String?

    ///
    open var running: Bool {

    }

    ///
    func startQosMeasurement() {
        if let testToken = testRunner?.testParams.testToken,
               let measurementUuid = testRunner?.testParams.testUuid,
               let testStartNanos = testRunner?.testStartNanos() {
