day 1

lib/icon/material_design_icons.dart

@@ -17,6 +17,7 @@
 ///         License:   Apache 2.0 (https://www.apache.org/licenses/LICENSE-2.0)
 ///         Homepage:  https://design.google.com/icons/
 ///
+library;
 import 'package:flutter/widgets.dart';
 
 class MaterialDesign {

test/widget_test.dart

@@ -5,10 +5,7 @@
 // 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:environmental_protection/main.dart';
 
 void main() {
 }