@WebMvcTest(BookController.class) with @MockitoBean BookService

GET /api/books/1   -> 200 {"isbn":"9780134685991","title":"Effective Java","author":"Joshua Bloch","price":"INR 499.00","published_on":"2018-01-06"}
GET /api/books/99  -> 404 {"detail":"No book with id 99","instance":"/api/books/99","status":404,"title":"Book not found"}

beans in this context:
  BookController (@RestController)=yes
  ApiExceptionHandler (@ControllerAdvice)=yes
  PriceJson (@JacksonComponent)=yes
  MockMvc=yes
  JsonMapper (Jackson 3)=yes
  BookService (@Service)=yes
  BookRepository (Spring Data)=no
  EntityManagerFactory=no
  DataSource=no
  RestClient.Builder=no
  IsbnLookupClient (@Component)=no
  AuditLogger (@Component)=no
  bean definitions=126