public void UnlockAllTest()
{
MyLM target = new MyLM();
Transaction context = new Transaction();
Transaction context2 = new Transaction();
Lockable resource = new RID(RID.Type.CAR, "test");
Lockable resource1 = new RID(RID.Type.FLIGHT, "test");
target.LockForRead(context, resource);
target.LockForRead(context, resource1);
target.UnlockAll(context);
target.LockForWrite(context2, resource);
target.LockForWrite(context2, resource1);
}