Subscription addSubscription(final String channel, final int streamId)
    {
        return addSubscription(channel, streamId, defaultAvailableImageHandler, defaultUnavailableImageHandler);
    }
@Test
    @InterruptAfter(5)
    void addSubscriptionShouldTimeoutWithoutOperationSuccessful()
    {
        assertThrows(DriverTimeoutException.class, () -> conductor.addSubscription(CHANNEL, STREAM_ID_1));
    }