}
        }
    }
}

class WaitForAsyncAction extends AbstractWaitAction {
    boolean asyncActionComplete

    WaitForAsyncAction(ConcurrentTestUtil owner) {
        super(owner)
    }

    WaitForAsyncAction start(Runnable action) {
        owner.onFailure this.&onFailure
        startBlockingAction(action)
        waitForAsyncAction()
        waitForBlockingActionToComplete()