DESCRIPTION OF TEST testReadAfterCloseAfterLock

Close file by the second after locking by the first, then try to read by the first (Allowed)

Slave0: Create a file, open it for writing
Slave1: Open file for reading
Slave0: Write data in file, set a lock on it
Slave1: Close file
Slave0: Try to read data from file

Now, window be gone.