--- a/tests/run-tests.py	Sat Jul 13 23:58:01 2013 +0200
+++ b/tests/run-tests.py	Thu Jul 18 09:39:01 2013 -0700
@@ -88,6 +88,7 @@
             p.timeout = True
             if p.returncode is None:
                 terminate(p)
+                p.wait()
         threading.Thread(target=t).start()
 
     return p