Update widget_test.dart

test/widget_test.dart

@@ -4,7 +4,6 @@
 // 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.
-// test comment
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';