def METHOD_NAME(self):
    school = School()
    school.add_student(name="Peter", grade=2)
    school.add_student(name="Anna", grade=1)
    school.add_student(name="Barb", grade=1)
    school.add_student(name="Zoe", grade=2)
    school.add_student(name="Alex", grade=2)
    school.add_student(name="Jim", grade=3)
    school.add_student(name="Charlie", grade=1)
    expected = ["Anna", "Barb", "Charlie", "Alex", "Peter", "Zoe", "Jim"]
    self.assertEqual(school.roster(), expected)