@Test
public void testEmptySSHRecordStoreClass() {

    System.setProperty(ZTSConsts.ZTS_PROP_SSH_RECORD_STORE_FACTORY_CLASS, "");
    InstanceCertManager manager = new InstanceCertManager(null, null, null, true);
    // no exceptions here since with empty factory class
    // we're not going to process any ssh certs
    assertNull(manager.generateSSHCertificates(null, null));
    System.clearProperty(ZTSConsts.ZTS_PROP_SSH_RECORD_STORE_FACTORY_CLASS);
}