【HELP】看看，在运行unnitest用例时，单独执行是好的，一起执行提示无法连接

Question

#结果：
[13/Dec/2021 16:58:38] INFO - 打开Ie浏览器
[13/Dec/2021 16:58:41] WARNING - Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.HTTPConnection object at 0x00000225D5855040>: Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接。')': /session/0729ca65-d469-4de4-8fb5-bad9eb737391/url
[13/Dec/2021 16:58:43] WARNING - Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.HTTPConnection object at 0x00000225D586BD30>: Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接。')': /session/0729ca65-d469-4de4-8fb5-bad9eb737391/url
[13/Dec/2021 16:58:45] WARNING - Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<urllib3.connection.HTTPConnection object at 0x00000225D586BEB0>: Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接。')': /session/0729ca65-d469-4de4-8fb5-bad9eb737391/url
[13/Dec/2021 16:58:47] INFO - it's over

运行脚本

now_path = os.getcwd()  # 获取当前路径

report_path = os.path.abspath(os.path.dirname(os.getcwd())) + r'\report'  # HTML报告存储路径
log_path = os.path.abspath(os.path.dirname('test_login.py'))  # LOG日志存储路径

if not os.path.exists(report_path):
    os.mkdir(report_path)
case_path = os.getcwd()


def load_case(casepath=case_path, rule='test_ie.py'):
    discover = unittest.defaultTestLoader.discover(casepath, pattern=rule)
    return discover


def run_case(test_case):
    now = time.strftime("%Y-%m-%d_%H_%M_%S")
    report =report_path + './' + now + 'result.html'
    print("测试报告生成地址：%s" % report)
    file_path = open(report, 'wb')
    runner = HTMLTestRunnerCN.HTMLTestReportCN(stream=file_path, verbosity=2, title=u'web登录自动化', description=u"用例执行结果")

    logger = logging.getLogger()
    logger.setLevel(logging.DEBUG)
    logger.info(test_case)
    log_dir = os.path.abspath(os.path.dirname(os.getcwd()))
    log_file_path = log_dir + r'\logs'
    # log_file_name = now + ".log"
    log_file_name = os.path.join(log_file_path, now + ".log")
    print(log_file_path)
    file_handle = logging.FileHandler(log_file_name, 'a', encoding='utf-8')
    formatter = logging.Formatter('%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s')
    file_handle.setFormatter(formatter)
    logger.addHandler(file_handle)

    runner.run(test_case)
    file_path.close()


if __name__ == "__main__":
    run_case(test_case=load_case())