Enable RDP test on Fedora

[jkonecny12]

It was implemented by rhinstaller/anaconda#5829

[jkonecny12]

Tested by https://github.com/rhinstaller/anaconda/actions/runs/11017713395/job/30596297336

[jkonecny12]

/test-tmt

[rvykydal]

/test-tmt

[rvykydal]

/test-os-variants

[rvykydal]

/test-tmt

06:40:06,736 ERR anaconda:Traceback (most recent call last):
06:40:06,736 ERR anaconda:  File "/usr/lib64/python3.13/site-packages/pyanaconda/core/threads.py", line 280, in run
06:40:06,736 ERR anaconda:    threading.Thread.run(self)
06:40:06,736 ERR anaconda:    ~~~~~~~~~~~~~~~~~~~~^^^^^^
06:40:06,736 ERR anaconda:  File "/usr/lib64/python3.13/threading.py", line 992, in run
06:40:06,736 ERR anaconda:    self._target(*self._args, **self._kwargs)
06:40:06,736 ERR anaconda:    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
06:40:06,736 ERR anaconda:  File "/usr/lib64/python3.13/site-packages/pyanaconda/gnome_remote_desktop.py", line 173, in _get_hostname_in_thread
06:40:06,736 ERR anaconda:    hinfo = socket.gethostbyaddr(ip)
06:40:06,736 ERR anaconda:TypeError: gethostbyaddr() argument 1 must be str, bytes or bytearray, not None

[KKoukiou]

@jkonecny12 can you check this when you have time #1309 ?

[M4rtinK]

Looks like it found something, cool. :)