stack/erp5/run-zelenium-test.py.in: avoid to make Site Unavailable when launch test

Run wait_for_activities macro in selenium test on erp5 with activity subscribed may end with:

INFO SQLBase Got a lock error, retrying...
.....
WARNING waitress.queue Task queue depth is 1
WARNING waitress.queue Task queue depth is XXX
....
503 Service Unavailable

stack/erp5/buildout.hash.cfg

@@ -66,7 +66,7 @@ md5sum = 0969fbb25b05c02ef3c2d437b2f4e1a0
 
 [template-run-zelenium]
 filename = run-zelenium-test.py.in
-md5sum = 38653020296e43f84a93b99cb35aaef6
+md5sum = b95084ae9eed95a68eada45e28ef0c04
 
 [template]
 filename = instance.cfg.in

stack/erp5/run-zelenium-test.py.in

@@ -77,6 +77,23 @@ def main():
       traceback.print_exc()
     time.sleep(600)
 
+  # Unsubscribe activity
+  # Launch Zuite_waitForActivities with activity suscribed may create conflict
+
+  activity_unsubscribe_url = "%s/erp5/portal_activities/unsubscribe" \
+      "?__ac_name=%s" \
+      "&__ac_password=%s" % (parser_configuration['remote-access-url'],  {{ repr(user) }}, {{ repr(password) }})
+  print activity_unsubscribe_url
+  try:
+    response = urlopen(activity_unsubscribe_url)
+    try:
+      if response.code != 200:
+        sys.exit(-1)
+    finally:
+      response.close()
+  except Exception:
+    traceback.print_exc()
+
   tool = taskdistribution.TaskDistributor(portal_url=args.master_url)
   browser = webdriver.Remote(parser_configuration['server-url'] , parser_configuration['desired-capabilities'] )