defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewLRWMutex()
	mu.RUnlock()
}

// Borrowed from rwmutex_test.go
func TestRUnlockPanic2(t *testing.T) {
	defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewLRWMutex()
	mu.Lock()
	mu.RUnlock()

			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewDRWMutex(ds, "test")
	mu.RUnlock(context.Background())
}

// Borrowed from rwmutex_test.go
func TestRUnlockPanic2(t *testing.T) {
	mu := NewDRWMutex(ds, "test-runlock-panic-2")
	defer func() {
		if recover() == nil {
			t.Fatalf("read unlock of unlocked RWMutex did not panic")
		}