def METHOD_NAME(cls, connection):
    cls.data = data = [
        ("Angela", "A"),
        ("Andrew", "A"),
        ("Anand", "A"),
        ("Bob", "B"),
        ("Bobette", "B"),
        ("Buffy", "B"),
        ("Charlie", "C"),
        ("Cynthia", "C"),
        ("Chris", "C"),
    ]
    employees_table = cls.tables.employees
    connection.execute(
        employees_table.insert(),
        [
            {"employee_id": i, "name": n, "department": d}
            for i, (n, d) in enumerate(data)
        ],
    )