MOCK_TIMEOUT
done = drm_mock_sched_job_wait_finished(job, MOCK_TIMEOUT / 2);
done = drm_mock_sched_job_wait_finished(job, MOCK_TIMEOUT);
done = drm_mock_sched_job_wait_finished(job, 2 * MOCK_TIMEOUT);
test->priv = drm_mock_sched_new(test, MOCK_TIMEOUT);