def test_send_reminder_sms_invalid_number(self):
"""Tests sending a reminder sms to an invalid phone number."""
self.assertEqual(send_reminder_sms("+1231231223", "Sanraku", "15 min"), "Error")
def test_send_reminder_sms(self):
"""Tests sending a reminder sms."""
self.assertEqual(send_reminder_sms("+14235432224", "Sanraku", "15 min"), None)