### Question:
JacksonAfterburnerModuleConfigurer { void configure(ObjectMapper objectMapper) { objectMapper.registerModule(new AfterburnerModule()); }    }### Answer:
@Test public void configuresAfterburnerModule() { JacksonAfterburnerModuleConfigurer configurer = new JacksonAfterburnerModuleConfigurer(); ObjectMapper objectMapper = spy(new ObjectMapper()); configurer.configure(objectMapper); ArgumentCaptor<AfterburnerModule> captor = ArgumentCaptor.forClass(AfterburnerModule.class); verify(objectMapper).registerModule(captor.capture()); assertEquals(AfterburnerModule.class, captor.getValue().getClass()); }