CIFSContext cifsContext = getNewContext().withCredentials(new NtlmPasswordAuthenticator("wrong", "wrong", "wrong"));
        try ( SmbFile f = new SmbFile("smb://" + getTestServer() + "/IPC$/test", cifsContext); ) {
            f.connect();
            assertFalse(true);
        }
        catch ( SmbAuthException e ) {
            // ignore
        }

        assertFalse(cifsContext.close());