anchor.diff:  
       await tester.pumpWidget(PolarisApp());
   
  -    final Finder connectButton =
  -        find.widgetWithText(ElevatedButton, connectButtonLabel);
  -    final Finder disconnectButton =
  -        find.widgetWithText(FlatButton, disconnectButtonLabel);
  -
       expect(connectButton, findsNothing);
       expect(disconnectButton, findsOneWidget);
     });
  
positive.code:   }
    SharedPreferences.setMockInitialValues(preferences);
  
    var host = await Host.create();
    getIt.allowReassignment = true;
    getIt.registerSingleton<Host>(host);
    getIt.registerSingleton<Client>(MockClient());
    if (connect) {
      final client = getIt<Client>();
      when(client.get(apiVersionEndpoint))
          .thenAnswer((_) async => Response(compatibleAPIVersion, 200));
    }
  
    getIt.registerSingleton<API>(HttpAPI());
    getIt.registerSingleton<connection.Manager>(connection.Manager());
  }
  
negative.code:     await _setup();
  
      await tester.pumpWidget(PolarisApp());
  
      final client = getIt<Client>();
      when(client.get(apiVersionEndpoint))
  