time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(context.Background())
}

// Test two locks for same resource, one succeeds, one fails (after timeout)
func TestTwoSimultaneousLocksForSameResource(t *testing.T) {
	dm1st := NewDRWMutex(ds, "aap")
	dm2nd := NewDRWMutex(ds, "aap")

	dm1st.Lock(id, source)

	// Release lock after 10 seconds
	go func() {