def test_Course18(self):
co = Course("CS-337", "004", ["M", "W"], "11:00", "11:50",
["001", "002", "003"])
with self.assertRaises(ValueError) as ctx:
co.lab = "abs"
self.assertEqual("Lab must be a three digit number",
str(ctx.exception))
def test_Course16(self):
co = Course("CS-337", "004", ["M", "W"], "11:00", "11:50",
["001", "002", "003"])
co.lab = "008"
self.assertEqual(co.lab, "008")