Add ignore for deprecated member use
diff --git a/test/async_cache_test.dart b/test/async_cache_test.dart
index 3ceda79..4af6195 100644
--- a/test/async_cache_test.dart
+++ b/test/async_cache_test.dart
@@ -2,6 +2,8 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+// ignore_for_file: deprecated_member_use_from_same_package
+
 import 'dart:async';
 
 import 'package:async/async.dart';