def METHOD_NAME(self):
    with open("./tests/test_configs/command_job/rest_command_job_env_var_command.json", "r") as f:
        resource = json.load(f)
    rest_job = JobBase.deserialize(resource)
    job = Job._from_rest_object(rest_job)
    job.command = "echo ${{inputs.missing_input}}"
    with pytest.raises(ValidationException):
        to_rest_job_object(job)