user = User.create(
    username: "test",
    user_group_id: "AAA", # This data type is int in database
    password: "test",
    status: 1,
    date_added: DateTime.now.strftime("%Y-%m-%d %H:%M:%S"),
    date_updated: DateTime.now.strftime("%Y-%m-%d %H:%M:%S")
)