package lab.slices.failing; import lab.slices.BookController; import org.junit.jupiter.api.Tag; import org.junit.jupiter.api.Test; import org.springframework.boot.webmvc.test.autoconfigure.WebMvcTest; /** Fails on purpose: the controller needs a BookService and nothing in a @WebMvcTest provides one. */ @Tag("failure-demo") @WebMvcTest(BookController.class) public class MissingMockBeanFailure { @Test void neverRuns() { } }