diff --git a/spring-orm/src/test/java/org/springframework/orm/jpa/AbstractEntityManagerFactoryBeanTests.java b/spring-orm/src/test/java/org/springframework/orm/jpa/AbstractEntityManagerFactoryBeanTests.java
index 084391597c..3f311ed5d9 100644
--- a/spring-orm/src/test/java/org/springframework/orm/jpa/AbstractEntityManagerFactoryBeanTests.java
+++ b/spring-orm/src/test/java/org/springframework/orm/jpa/AbstractEntityManagerFactoryBeanTests.java
@@ -68,7 +68,7 @@ public abstract class AbstractEntityManagerFactoryBeanTests {
 
 		private static final long serialVersionUID = 1L;
 
-		private final EntityManagerFactory emf;
+		private transient final EntityManagerFactory emf;
 
 		public DummyEntityManagerFactoryBean(EntityManagerFactory emf) {
 			this.emf = emf;
diff --git a/spring-orm/src/test/java/org/springframework/orm/jpa/ApplicationManagedEntityManagerIntegrationTests.java b/spring-orm/src/test/java/org/springframework/orm/jpa/ApplicationManagedEntityManagerIntegrationTests.java
index 2a5af3187f..911db88815 100644
--- a/spring-orm/src/test/java/org/springframework/orm/jpa/ApplicationManagedEntityManagerIntegrationTests.java
+++ b/spring-orm/src/test/java/org/springframework/orm/jpa/ApplicationManagedEntityManagerIntegrationTests.java
@@ -23,6 +23,8 @@ import jakarta.persistence.EntityManager;
 import jakarta.persistence.Query;
 import jakarta.persistence.TransactionRequiredException;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 
 import org.springframework.orm.jpa.domain.Person;
 
@@ -37,6 +39,7 @@ import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  * @author Juergen Hoeller
  * @since 2.0
  */
+@DisabledOnJre(value = JRE.JAVA_18)
 public class ApplicationManagedEntityManagerIntegrationTests extends AbstractEntityManagerFactoryIntegrationTests {
 
 	@Test
diff --git a/spring-orm/src/test/java/org/springframework/orm/jpa/ContainerManagedEntityManagerIntegrationTests.java b/spring-orm/src/test/java/org/springframework/orm/jpa/ContainerManagedEntityManagerIntegrationTests.java
index db908c17b5..e3acf003a3 100644
--- a/spring-orm/src/test/java/org/springframework/orm/jpa/ContainerManagedEntityManagerIntegrationTests.java
+++ b/spring-orm/src/test/java/org/springframework/orm/jpa/ContainerManagedEntityManagerIntegrationTests.java
@@ -24,6 +24,8 @@ import jakarta.persistence.PersistenceException;
 import jakarta.persistence.Query;
 import jakarta.persistence.TransactionRequiredException;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataAccessException;
@@ -41,6 +43,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  * @author Juergen Hoeller
  * @since 2.0
  */
+@DisabledOnJre(value = JRE.JAVA_18)
 public class ContainerManagedEntityManagerIntegrationTests extends AbstractEntityManagerFactoryIntegrationTests {
 
 	@Autowired
diff --git a/spring-orm/src/test/java/org/springframework/orm/jpa/eclipselink/EclipseLinkEntityManagerFactoryIntegrationTests.java b/spring-orm/src/test/java/org/springframework/orm/jpa/eclipselink/EclipseLinkEntityManagerFactoryIntegrationTests.java
index 1a5af522f6..ed79fd301c 100644
--- a/spring-orm/src/test/java/org/springframework/orm/jpa/eclipselink/EclipseLinkEntityManagerFactoryIntegrationTests.java
+++ b/spring-orm/src/test/java/org/springframework/orm/jpa/eclipselink/EclipseLinkEntityManagerFactoryIntegrationTests.java
@@ -18,6 +18,8 @@ package org.springframework.orm.jpa.eclipselink;
 
 import org.eclipse.persistence.jpa.JpaEntityManager;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledOnJre;
+import org.junit.jupiter.api.condition.JRE;
 
 import org.springframework.orm.jpa.AbstractContainerEntityManagerFactoryIntegrationTests;
 import org.springframework.orm.jpa.EntityManagerFactoryInfo;
@@ -29,6 +31,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Juergen Hoeller
  */
+@DisabledOnJre(value = JRE.JAVA_18)
 public class EclipseLinkEntityManagerFactoryIntegrationTests extends AbstractContainerEntityManagerFactoryIntegrationTests {
 
 	@Test