'Check that may_certify correctly tells us when a course may wrap.'

def test_may_certify(self):

    self.assertTrue(self.past_show_certs.may_certify())
    self.assertTrue(self.past_noshow_certs.may_certify())
    self.assertTrue(self.past_show_certs_no_info.may_certify())
    self.assertTrue(self.future_show_certs.may_certify())
    self.assertTrue(self.future_show_certs_no_info.may_certify())
    self.assertFalse(self.future_noshow_certs.may_certify())
