Increased timeouts on xos verify jobs

Change-Id: Ic923139b29a9f0d7719a158ecc6a9dee709e21c1
diff --git a/jjb/python-unit.yaml b/jjb/python-unit.yaml
index 2e7bbfb..e035f45 100644
--- a/jjb/python-unit.yaml
+++ b/jjb/python-unit.yaml
@@ -23,7 +23,7 @@
 
     wrappers:
       - lf-infra-wrappers:
-          build-timeout: 20
+          build-timeout: '{build-timeout}'
           jenkins-ssh-credential: '{jenkins-ssh-credential}'
 
     scm: