CP-53362: Rename hcp_nss to nss_override_id (xapi-project#6311)

hcp_nss is a nss module to override the uid/gid of pooladmin when they
ssh into dom0, as dom0 only support one single user

However, the name wants to be updated to nss_override_id to reflect its
usage

Author: liulinC

python3/plugins/extauth-hook-AD.py

@@ -332,7 +332,7 @@ def __init__(self, session, args, ad_enabled=True):
             "/etc/nsswitch.conf", session, args, ad_enabled)
         modules = "files sss"
         if ad_enabled:
-            modules = "files hcp winbind"
+            modules = "files override_id winbind"
         self._update_key_value("passwd", modules)
         self._update_key_value("group", modules)
         self._update_key_value("shadow", modules)

python3/plugins/test_extauth_hook_AD.py renamed to python3/tests/test_extauth_hook_AD.py

@@ -201,7 +201,7 @@ def test_ad_not_enabled(self, mock_install):
         self.assertTrue(line_exists_in_config(nss._lines, expected_config))
 
     def test_ad_enabled(self, mock_install):
-        expected_config = "passwd: files hcp winbind"
+        expected_config = "passwd: files override_id winbind"
         nss = NssConfig(mock_session, args_bd_winbind, True)
         nss.apply()
         self.assertTrue(line_exists_in_config(nss._lines, expected_config))