def METHOD_NAME():
    role_name = "role_test5"
    role = Role(role_name, using=_CONNECTION)
    print(f"create role, role_name: {role_name}")
    role.create()
    print(f"get users")
    role.get_users()
    print(f"select all role")
    print(select_all_role())
    print(f"drop role")
    role.drop()