import unittest
from pages.po_demo import SearchKW, Search

class A(unittest.TestCase, SearchKW):

url = 'https://www.jd.com'

@classmethod
def setUpClass(cls) -> None:
    cls.cls_get()

def test_jd(self):
    self.get()


@classmethod
def tearDownClass(cls) -> None:
    cls.driver.quit()

class B(unittest.TestCase, SearchKW):

url = 'www.tmall.com'

@classmethod
def setUpClass(cls) -> None:
    cls.cls_get()

def test_tmall(self):
    self.get()

@classmethod
def tearDownClass(cls) -> None:
    cls.driver.quit()

if name == ‘main’:
unittest.main()

执行报错：
urllib3.exceptions.MaxRetryError: HTTPConnectionPool(host=‘127.0.0.1’, port=64610): Max retries exceeded with url: /session/349ca9b106a6b82895abddc88573c0f0/url (Caused by NewConnectionError(’<urllib3.connection.HTTPConnection object at 0x108de8bb0>: Failed to establish a new connection: [Errno 61] Connection refused’))

1.感觉像是测试类A执行完毕后，浏览器和webdriver之间的session就关闭了，但是测试类B的setUpClass还是拿同样的session id去和webdriver建立链接，导致session连接不成功失败

2.如果测试类A、B共享一个session，还能称A B是测试用例相互无影响的吗？

谢谢