feat: Error with run android (#172)

example/test/widget_test.dart

@@ -1,26 +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
+// utility in the flutter_test package. 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 '../lib/main.dart';
+import 'package:flutter_openim_sdk_example/main.dart';
 
 void main() {
-  testWidgets('Verify Platform version', (WidgetTester tester) async {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
     await tester.pumpWidget(MyApp());
 
-    // Verify that platform version is retrieved.
-    expect(
-      find.byWidgetPredicate(
-        (Widget widget) => widget is Text && widget.data!.startsWith('Running on:'),
-      ),
-      findsOneWidget,
-    );
+    // 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);
   });
 }