diff -r ec9c20c6b9f7 -r 162b2b127b15 server/test/unittest_schemaserial.py
--- a/server/test/unittest_schemaserial.py	Wed Mar 03 17:59:05 2010 +0100
+++ b/server/test/unittest_schemaserial.py	Wed Mar 03 18:30:25 2010 +0100
@@ -15,6 +15,10 @@
 config.bootstrap_cubes()
 schema = loader.load(config)
 
+def teardown_module(*args):
+    global schema, config, loader
+    del schema, config, loader
+
 from cubicweb.server.schemaserial import *
 from cubicweb.server.schemaserial import _erperms2rql as erperms2rql