@Test
 public void testModifyDepartment() {
   for (TestSite testSite : this.testSites) {
     testSite.testModifyDepartment();
   }
 }
 @Test
 public void testModifyEmployee() {
   for (TestSite testSite : this.testSites) {
     testSite.testModifyEmployee();
   }
 }
 protected static void defineInSite(TestSite site, String cacheName, Configuration configuration) {
   site.cacheManagers()
       .forEach(cacheManager -> cacheManager.defineConfiguration(cacheName, configuration));
 }