fix msg

test/rate_test.dart

@@ -1,33 +0,0 @@
-import 'package:fcs/domain/entities/cargo_type.dart';
-import 'package:fcs/domain/entities/carton.dart';
-import 'package:fcs/domain/entities/discount_by_weight.dart';
-import 'package:fcs/domain/entities/rate.dart';
-import 'package:test/test.dart';
-
-@TestOn('vm')
-void main() {
-  var rate = Rate();
-  rate.discountByWeights = [
-    DiscountByWeight(weight: 25, discount: 0.25),
-    DiscountByWeight(weight: 50, discount: 0.5),
-  ];
-  rate.volumetricRatio = 166.36;
-  rate.diffDiscountWeight = 5;
-  rate.diffWeightRate = 1.5;
-
-  test('Calculate carton price 1', () {
-    var ct = CargoType(name: "General", weight: 10, rate: 6);
-    var carton = Carton(cargoTypes: [ct], length: 15, width: 15, height: 15);
-    expect(carton.calAmount(rate), equals(67.50));
-  });
-  test('Calculate carton price 2', () {
-    var ct = CargoType(name: "General", weight: 10, rate: 6);
-    var carton = Carton(cargoTypes: [ct], length: 10, width: 10, height: 10);
-    expect(carton.calAmount(rate), equals(60));
-  });
-    test('Calculate carton price 3', () {
-    var ct = CargoType(name: "General", weight: 10, rate: 6);
-    var carton = Carton(cargoTypes: [ct], length: 15, width: 15, height: 10);
-    expect(carton.calAmount(rate), equals(60));
-  });
-}

test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility that Flutter provides. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:fcs/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}