source: class BaseTracingInterceptorTest {
  
    private Map<String, String> initialConfig;
  
    @Test
    public void shouldConfigureWhenLocalServiceNameProvided() {
  
target:     //Given
      initialConfig.put(TracingInterceptorConfig.ZIPKIN_LOCAL_SERVICE_NAME_CONFIG, "app");
      //When
      BaseTracingInterceptor interceptor = new BaseTracingInterceptorImpl();
      interceptor.configure(initialConfig);
      //Then
      assertNotNull(interceptor.tracing);
      assertEquals(TracingInterceptorConfig.ZIPKIN_REMOTE_SERVICE_NAME_DEFAULT, interceptor.remoteServiceName);
    }
  
  }