Needs updating for NetworkManager 1.49.3 secret agent

[martinpitt]

Since this NM commit (1.49.2 → 1.49.3), test_one_wifi_with_accesspoints test hangs. nmcli expects a secret agent, for which the current mock doesn't provide integration.

A convenient way to investigate this is

--- tests/test_networkmanager.py
+++ tests/test_networkmanager.py
@@ -172,7 +172,9 @@ class TestNetworkManager(dbusmock.DBusTestCase):
         self.assertRegex(self.read_device(), r"wlan0.*\sconnected\s+--")
 
         # connect to existing wifi with password
-        subprocess.check_call(["nmcli", "dev", "wifi", "connect", "AP_3", "password", "s3kr1t"])
+        print(' '.join(["nmcli", "dev", "wifi", "connect", "AP_3", "password", "s3kr1t"]))
+        subprocess.check_call(["bash", "-i"])
+        # subprocess.check_call(["timeout", "--signal=KILL", "5", "nmcli", "dev", "wifi", "connect", "AP_3", "password", "s3kr1t"])
         self.assertRegex(self.read_device(), r"wlan0.*\sconnected\s+AP_3")
 
         # connect to existing wifi without password

and then running pytest -svvk test_one_wifi_with_accesspoints. It'll set up the NM mock and give you a shell, where

 nmcli dev wifi connect AP_3 password s3kr1t

hangs.

But neither busctl monitor nor strace tell me what exactly nmcli is trying to do when it hangs.

@thom311 @lkundrak would you have some hints for me how I need to extend the NM mock to get along with this? Thanks!