Add previously missing node daemon GID to getent mock

The UID is there, the GID wasn't.

Signed-off-by: Michael Hanselmann <hansmi@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>

test/mocks.py

@@ -106,6 +106,7 @@ class FakeGetentResolver:
     self.rapi_uid = uid
     self.rapi_gid = gid
     self.noded_uid = uid
+    self.noded_gid = gid
 
     self.daemons_gid = gid
     self.admin_gid = gid