void testPropertyInheritance() throws CIFSException {
        // Given
        Properties parentProps = new Properties();
        parentProps.setProperty("jcifs.smb.client.domain", "parentdomain");
        parentProps.setProperty("jcifs.smb.client.username", "parentuser");

        Properties childProps = new Properties(parentProps);
        childProps.setProperty("jcifs.smb.client.username", "childuser");