anchor.diff:          expect(e, isNotNull);
         }
   
  -      await app.start();
  +      await app.start(runOnMainIsolate: true);
         var resp = await http.get("http://localhost:8080/t");
         expect(resp.statusCode, 200);
       });
  
positive.code: import 'package:http/http.dart' as http;
  
  main() {
  
    group("Application lifecycle", () {
      var app = new Application<TPipeline>();
  
  
negative.code:     });
  
      test("Application starts", () async {
        await app.start(runOnMainIsolate: true);
        expect(app.supervisors.length, 0);
      });
  
      test("Application responds to request", () async {
  