Util class for controller integration test in spring boot

BaseControllerIntegrationTest.java

@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
@ActiveProfiles("test")
public abstract class BaseControllerIntegrationTest {

    @PersistenceContext
    protected EntityManager entityManager;

    @Autowired
    protected MockMvc mockMvc;

    @Autowired
    protected Gson gson;

    protected String toJson(Object object) {
        return gson.toJson(object);
    }

}