void testSystemPropertyOverrides() throws CIFSException {
        // Given
        String originalValue = System.getProperty("jcifs.smb.client.domain");
        System.setProperty("jcifs.smb.client.domain", "systemdomain");

        try {
            Properties props = new Properties();
            props.setProperty("jcifs.smb.client.domain", "propsdomain");

            // When