Unable to find a SpringBootConfiguration in Spring Boot Test 1.4

I'm not able to run a simple test in spring boot 1.4. I followed the tutorial from the official site testing-the-spring-mvc-slice but I didn't get it to work.

every time i get the following error:

java.lang.IllegalStateException: Unable to find a @SpringBootConfiguration, you need to use @ContextConfiguration or @SpringBootTest(classes=...) with your test

any ideas, hints?

Thanks in advance