SCAutolib fails to parse the pcscd.service of current Fedora

[Jakuje]

Currently the pcscd.service looks like this:

[Unit]
Description=PC/SC Smart Card Daemon
Requires=pcscd.socket
Requires=polkit.service
...

And while we try to parse it here, it fails:

configparser.DuplicateOptionError: While reading from '/usr/lib/systemd/system/pcscd.service' [line  4]: option 'Requires' in section 'Unit' already exists

This needs to be fixed to make the tests working in Fedora (and future RHELs)