assertNotNull(testConfig.getMaximumVersion());
        });
    }

    @Test
    @DisplayName("Should handle system property overrides")
    void testSystemPropertyOverrides() throws CIFSException {
        // Given
        String originalValue = System.getProperty("jcifs.smb.client.domain");
        System.setProperty("jcifs.smb.client.domain", "systemdomain");

        try {