@Test
 public void testCustomContainerFactoryWithConfigurer() {
   this.context =
       doLoad(
           new Class<?>[] {TestConfiguration9.class, EnableJmsConfiguration.class},
           "spring.jms.listener.autoStartup=false");
   assertThat(this.context.containsBean("jmsListenerContainerFactory")).isTrue();
   JmsListenerContainerFactory<?> jmsListenerContainerFactory =
       this.context.getBean("customListenerContainerFactory", JmsListenerContainerFactory.class);
   assertThat(jmsListenerContainerFactory).isInstanceOf(DefaultJmsListenerContainerFactory.class);
   DefaultMessageListenerContainer listenerContainer =
       ((DefaultJmsListenerContainerFactory) jmsListenerContainerFactory)
           .createListenerContainer(mock(JmsListenerEndpoint.class));
   assertThat(listenerContainer.getCacheLevel())
       .isEqualTo(DefaultMessageListenerContainer.CACHE_CONSUMER);
   assertThat(listenerContainer.isAutoStartup()).isFalse();
 }
 @Test
 public void testJmsListenerContainerFactoryWithCustomSettings() {
   load(
       EnableJmsConfiguration.class,
       "spring.jms.listener.autoStartup=false",
       "spring.jms.listener.acknowledgeMode=client",
       "spring.jms.listener.concurrency=2",
       "spring.jms.listener.maxConcurrency=10");
   JmsListenerContainerFactory<?> jmsListenerContainerFactory =
       this.context.getBean("jmsListenerContainerFactory", JmsListenerContainerFactory.class);
   assertThat(jmsListenerContainerFactory.getClass())
       .isEqualTo(DefaultJmsListenerContainerFactory.class);
   DefaultMessageListenerContainer listenerContainer =
       ((DefaultJmsListenerContainerFactory) jmsListenerContainerFactory)
           .createListenerContainer(mock(JmsListenerEndpoint.class));
   assertThat(listenerContainer.isAutoStartup()).isFalse();
   assertThat(listenerContainer.getSessionAcknowledgeMode()).isEqualTo(Session.CLIENT_ACKNOWLEDGE);
   assertThat(listenerContainer.getConcurrentConsumers()).isEqualTo(2);
   assertThat(listenerContainer.getMaxConcurrentConsumers()).isEqualTo(10);
 }