import 'package:flutter_test/flutter_test.dart'; import 'package:flutter_riverpod/flutter_riverpod.dart'; import 'package:pdf_signature/ui/features/signature/view_model/signature_controller.dart'; import '_world.dart'; /// Usage: a signature image is created Future aSignatureImageIsCreated(WidgetTester tester) async { final container = TestWorld.container ?? ProviderContainer(); expect(container.read(signatureProvider).imageBytes, isNotNull); }