remove the semaphore when there is no one waiting on it

1 files changed, 2 insertions, 1 deletions

diff --git a/nova/tests/test_virt.py b/nova/tests/test_virt.py
index 113632a0c..56a271365 100644
--- a/nova/tests/test_virt.py
+++ b/nova/tests/test_virt.py
@@ -23,7 +23,6 @@ from xml.dom.minidom import parseString as xml_to_dom
 from nova import context
 from nova import db
 from nova import flags
-from nova import log as logging
 from nova import test
 from nova import utils
 from nova.api.ec2 import cloud
@@ -70,11 +69,13 @@ class CacheConcurrencyTestCase(test.TestCase):
         eventlet.sleep(0)
         try:
             self.assertFalse(done2.ready())
+            self.assertTrue('fname' in conn._image_sems)
         finally:
             wait1.send()
         done1.wait()
         eventlet.sleep(0)
         self.assertTrue(done2.ready())
+        self.assertFalse('fname' in conn._image_sems)
 
     def test_different_fname_concurrency(self):
         """Ensures that two different fname caches are concurrent"""