import 'package:flutter_test/flutter_test.dart'; import 'package:trip_overlay_plugin/trip_overlay_plugin.dart'; import 'package:trip_overlay_plugin/trip_overlay_plugin_platform_interface.dart'; import 'package:trip_overlay_plugin/trip_overlay_plugin_method_channel.dart'; import 'package:plugin_platform_interface/plugin_platform_interface.dart'; class MockTripOverlayPluginPlatform with MockPlatformInterfaceMixin implements TripOverlayPluginPlatform { @override Future getPlatformVersion() => Future.value('42'); } void main() { final TripOverlayPluginPlatform initialPlatform = TripOverlayPluginPlatform.instance; test('$MethodChannelTripOverlayPlugin is the default instance', () { expect(initialPlatform, isInstanceOf()); }); }