HHH-19846 Drop JUnit 4 usage

Author: dreab8

hibernate-core/src/test/java/org/hibernate/orm/test/cfg/persister/PersisterClassProviderTest.java

@@ -26,6 +26,7 @@ public class PersisterClassProviderTest {
 
 	@Test
 	public void testPersisterClassProvider() {
+		assertThat( SessionFactoryRegistry.INSTANCE.hasRegistrations() ).isFalse();
 		Configuration cfg = new Configuration();
 		cfg.addAnnotatedClass( Gate.class );
 		ServiceRegistry serviceRegistry = ServiceRegistryUtil.serviceRegistryBuilder()