[2.0.x] Refs #28440 -- Fixed server connection closing test on macOS.

Backport of 32ade78c from master

tests/servers/tests.py

@@ -75,7 +75,8 @@ class LiveServerViews(LiveServerBase):
             conn.request('GET', '/example_view/', headers={'Connection': 'keep-alive'})
             response = conn.getresponse().read()
             conn.request('GET', '/example_view/', headers={'Connection': 'close'})
-            with self.assertRaises(RemoteDisconnected, msg='Server did not close the connection'):
+            # macOS may give ConnectionResetError.
+            with self.assertRaises((RemoteDisconnected, ConnectionResetError)):
                 try:
                     conn.getresponse()
                 except ConnectionAbortedError: