anchor.diff:      @GET
       @Produces(MediaType.TEXT_PLAIN)
       public String hello() {
  -        return "hello\n";
  +        return "hello";
       }
   }
   ----
   
   If you stopped the application, restart the application with `./mvnw compile quarkus:dev`.
  -Then check that http://localhost:8080/hello/greeting/quarkus returns `hello quarkus`.
  +Then check that the endpoint returns `hello quarkus` as expected:
  +
  +```
  +$ curl http://localhost:8080/hello/greeting/quarkus
  +hello quarkus
  +```
  +
  +
   
   == Development Mode
   
  
positive.code: @Produces(MediaType.TEXT_PLAIN)
  public CompletionStage<String> hello() {
      return CompletableFuture.supplyAsync(() -> {
          return "hello\n";
      });
  }
  ----
  
negative.code:           .when().get("/hello")
            .then()
               .statusCode(200)    // <2>
               .body(is("hello"));
      }
  
      @Test
  