def setUp(self):
# Convert the marionette weakref to an object, just for the
# duration of the test; this is deleted in tearDown() to prevent
# a persistent circular reference which in turn would prevent
# proper garbage collection.
self.start_time = time.time()
self.pingServer = PingServer()
self.pingServer.start()
self.marionette = Marionette(bin=self.binary, profile=self.profile)
if self.marionette.session is None:
self.marionette.start_session()
self.marionette.reset_timeouts()
