Thread.sleep(200);

        CIFSContext checkContext = createFreshContext();
        SmbFile checkFile = new SmbFile(baseUrl + "shared/nonexistent_" + timestamp + ".txt", checkContext);
        assertTrue(checkFile.exists(), "Created file should exist");

        // Delete and check again
        checkFile.delete();
        Thread.sleep(200);

        CIFSContext verifyContext = createFreshContext();