def assert_event_handled(self, sleek_client: sleekxmpp.ClientXMPP, event: str):
""" Check if event handler is registered in sleekxmpp client
:param sleekxmpp.ClientXMPP sleek_client:
:param str event:
:return None:
"""
self.assertTrue(sleek_client.event_handled(event), 'Event %s is not handled by SleekXMPP client')
