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目前，如果测试因任何原因而失败，则在测试完成后，由于所有失败的断言停止脚本，在 AWS 服务目录（SC）中创建的对象可以保留在那里，因此在无法调用后清理几行。

代码示例：

product_name, result = launch_product(role, product, storagerole)
    logger.info("Creating pod with storagerole: {}".format(storagerole))
    assert result, 'Product ' + product + ' could not be launched by role ' + role + ' assuming role ' + storagerole

    # Get part of pod unique name
    for key in client.get_provisioned_product_outputs(ProvisionedProductName=product_name)["Outputs"]:
        if key["OutputKey"] == 'SSH':
            pod_unique_id = key["OutputValue"].split('-')[1]

    # Pick up pod with selected unique name
    querypod = "kubectl get po -n rstudio | grep " + pod_unique_id + " | awk 'END {print $1}'| tr -d '\n'"
    launched_pod = subprocess.check_output(querypod, shell=True).decode()
    logger.info("Checking pod: {}".format(launched_pod))
    cmd = "kubectl -n rstudio exec " + launched_pod + " -- aws sts get-caller-identity"

    try:
        output = subprocess.check_output(cmd, shell=True).decode()
    except subprocess.CalledProcessError as error:
        logger.error("error: {}".format(error))
        assert delete_product(role, product_name), 'Product ' + product_name + ' could not be deleted by role ' + role
        assert False, error
    try:
        assert "assumed-role/" + storagerole + "/kiam-kiam" in output, 'Expected role ' + storagerole + ' was not assumed within container'
    except AssertionError as error:
        logger.error("error: {}".format(error))
        assert delete_product(role, product_name), 'Product ' + product_name + ' could not be deleted by role ' + role
        assert False, error

    logger.info("All steps passed, deleting pod: {}".format(launched_pod))
    assert delete_product(role, product_name), 'Product ' + product_name + ' could not be deleted by role ' + role

即使使用 pytest 固定装置的任何断言失败，我们如何才能找到清理残留物的解决方案？

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