assertNotNull(configWithDefaults.getRandom());
        assertNotNull(configWithDefaults.getLocalTimezone());
        assertNotNull(configWithDefaults.getMachineId());
        assertEquals(32, configWithDefaults.getMachineId().length);
        assertNotNull(configWithDefaults.getNativeOs());
        assertTrue(configWithDefaults.getFlags2() != 0, "Flags2 should be non-zero");

        return this.delegate.getMaxRequestRetries();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getMachineId()
     */
    @Override
    public byte[] getMachineId() {
        return this.delegate.getMachineId();
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.Configuration#getGuestUsername()
     */
    @Override

        lenient().when(mockConfig.getRandom()).thenReturn(mockRandom);
        lenient().when(mockConfig.getLanManCompatibility()).thenReturn(3); // Default NTLMv2
        lenient().when(mockConfig.getMachineId()).thenReturn(machineId);
        lenient().when(mockCtx.getConfig()).thenReturn(mockConfig);
        lenient().when(mockCtx.getNameServiceClient()).thenReturn(mockNameServiceClient);

        when(mockConfig.getMinimumVersion()).thenReturn(DialectVersion.SMB202);
        when(mockConfig.getMaximumVersion()).thenReturn(DialectVersion.SMB311);
        when(mockConfig.getMachineId()).thenReturn(testMachineId);
        when(mockConfig.getRandom()).thenReturn(mockRandom);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        // Mock random for predictable salt generation

     *
     * Normally this should be randomly assigned for each client instance/configuration.
     *
     * @return machine identifier (32 byte)
     */
    byte[] getMachineId();

    /**
     *
     *
     * Property {@code jcifs.smb.client.disableSpnegoIntegrity} (boolean, false)
     *
     * @return whether to disable sending/verifying SPNEGO mechanismListMIC
     */

        return this.guestPassword;
    }

    @Override
    public boolean isAllowGuestFallback() {
        return this.allowGuestFallback;
    }

    @Override
    public byte[] getMachineId() {
        return this.machineId;
    }

    @Override
    public boolean isUseDurableHandles() {
        return this.useDurableHandles;
    }

    @Override