diff --git a/test/test_all.dart b/test/test_all.dart
index fc641c5..d0e63be 100644
--- a/test/test_all.dart
+++ b/test/test_all.dart
@@ -2,10 +2,12 @@
 // 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.
 
+import 'driver_test.dart' as driver;
 import 'message_grouper_test.dart' as message_grouper;
 import 'worker_loop_test.dart' as worker_loop;
 
 void main() {
+  driver.main();
   message_grouper.main();
   worker_loop.main();
 }