@Test(expected = BeanCreationException.class)
	public void testBlkReturnValue() {
		new AnnotationConfigApplicationContext(TestConfig8.class);
	}
@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-sentinel/src/test/java/com/alibaba/cloud/sentinel/SentinelRestTemplateTests.java