anchor.diff:          expect(e, isNotNull);
         }
   
  +      print("Restart");
  +
         await app.start();
         var resp = await http.get("http://localhost:8080/t");
         expect(resp.statusCode, 200);
  -
  +      print("stop 2");
         await app.stop();
  +      print("stop 3");
       });
     });
   
  
positive.code:     });
  
      test("Application stops", () async {
        await app.stop();
  
        try {
  
negative.code:   app.configuration.port = 8080;
  
    tearDownAll(() async {
      await app?.stop();
    });
  
    group("Application lifecycle", () {
  