def test_met_john_message_more_than_once(self):
"""if test fails could be due to meet_with_john_num_plusone function being changed"""
c = Car(1)
c.meet_with_john_num_plusone()
c.meet_with_john_num_plusone()
self.assertEqual(c.met_john_message(),
"Driver 1 met with John Jamieson 2 times.")
def test_met_john_message(self):
c = Car(1)
self.assertEqual(c.met_john_message(),
"Driver 1 met with John Jamieson 0 time.")