added more test cases

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/persistencecontext/service/ExtendedPersistenceContextUserService.java

@@ -15,10 +15,6 @@ public class ExtendedPersistenceContextUserService {
     @PersistenceContext(type = PersistenceContextType.EXTENDED)
     private EntityManager entityManager;
 
-    public EntityManager getEntityManager() {
-        return entityManager;
-    }
-    
     @Transactional
     public User insertWithTransaction(User user) {
         entityManager.persist(user);

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/persistencecontext/service/TransctionPersistenceContextUserService.java

@@ -15,10 +15,6 @@ public class TransctionPersistenceContextUserService {
     @PersistenceContext
     private EntityManager entityManager;
     
-    public EntityManager getEntityManager() {
-        return entityManager;
-    }
-
     @Transactional
     public User insertWithTransaction(User user) {
         entityManager.persist(user);