anchor.diff:  
   avec le test correspondant :
   
  -[bash]
  +[source,bash]
   ----
   ~$ curl http://localhost:8080/api
   {"status":"OK","timestamp":"1432733392861"}
  
positive.code: 
  Classe principale
  
  [java]
  ----
  @Configuration
  @EnableAutoConfiguration
  
negative.code: 
  Services REST
  
  [source,java]
  ----
  @RestController
  @RequestMapping("/api")
  