anchor.diff: +import 'dart:async';
   import 'dart:typed_data';
  +import 'dart:ui';
   
   import 'package:file/memory.dart';
   import 'package:flutter_cache_manager/flutter_cache_manager.dart';
  
positive.code:     await cacheManager.emptyCache();
      verify(store.emptyCache()).called(1);
    });
  }
  
  class TestCacheManager extends BaseCacheManager {
    TestCacheManager(CacheStore store, WebHelper webHelper)
        : super('test', cacheStore: store, webHelper: webHelper);
  
    @override
    Future<String> getFilePath() {
  
negative.code: import 'package:flutter_cache_manager/src/web/web_helper.dart';
  import 'package:flutter_test/flutter_test.dart';
  import 'package:mockito/mockito.dart';
  
  import 'web_helper_test.dart';
  
  void main() {
    group('Tests for getSingleFile', () {
  