diff --git a/tests/base.py b/tests/base.py
index 773f926..afc676b 100755
--- a/tests/base.py
+++ b/tests/base.py
@@ -980,6 +980,10 @@
                 repos.append(obj)
         self.assertEqual(len(repos), 0)
         self.assertEmptyQueues()
+        for pipeline in self.sched.layout.pipelines.values():
+            if isinstance(pipeline.manager,
+                          zuul.scheduler.IndependentPipelineManager):
+                self.assertEqual(len(pipeline.queues), 0)
 
     def shutdown(self):
         self.log.debug("Shutting down after tests")