@SpringBootTest + @AutoConfigureMockMvc, @MockitoBean IsbnLookupClient

POST /api/books/import/9780134685991 -> 200 {"isbn":"9780134685991","title":"Effective Java","author":"Joshua Bloch","price":"INR 499.00","published_on":"2024-01-01"}
GET  /api/books?author=joshua bloch   -> 200 [{"isbn":"9780134685991","title":"Effective Java","author":"Joshua Bloch","price":"INR 499.00","published_on":"2024-01-01"}]

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)=yes
  EntityManagerFactory=yes
  DataSource=yes
  RestClient.Builder=yes
  IsbnLookupClient (@Component)=yes
  AuditLogger (@Component)=yes
  bean definitions=251