Get rid of all the library tags.

test/transformer/a_transformer_rejects_its_config_test.dart

Index: test/transformer/a_transformer_rejects_its_config_test.dart
diff --git a/test/transformer/a_transformer_rejects_its_config_test.dart b/test/transformer/a_transformer_rejects_its_config_test.dart
index d9f5dd9aa79f29136c66bdd51891f53879d9e43d..7cc46a8fc10f88255c7ca8ae6f163666c6a0a141 100644
--- a/test/transformer/a_transformer_rejects_its_config_test.dart
+++ b/test/transformer/a_transformer_rejects_its_config_test.dart
@@ -2,8 +2,6 @@
 // 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.
 
-library pub_tests;
-
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;