AlmaLinux failure reported during unit tests

[verdurin]

Saw this when I submitted #31 :

#9 5.568 AlmaLinux 8 - BaseOS                            3.3 MB/s | 3.4 kB     00:00    
#9 5.639 Importing GPG key 0xC21AD6EA:
#9 5.639  Userid     : "AlmaLinux <packager@almalinux.org>"
#9 5.639  Fingerprint: E53C F5EF 91CE B0AD 1812 ECB8 51D6 647E C21A D6EA
#9 5.639  From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux
#9 5.640 Key imported successfully
#9 5.650 Import of key(s) didn't help, wrong key(s)?
#9 5.709 Public key for dnf-plugins-core-4.0.21-25.el8.noarch.rpm is not installed. Failing package is: dnf-plugins-core-4.0.21-25.el8.noarch
#9 5.709  GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux
#9 5.709 Public key for python3-dnf-plugins-core-4.0.21-25.el8.noarch.rpm is not installed. Failing package is: python3-dnf-plugins-core-4.0.21-25.el8.noarch
#9 5.709  GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-AlmaLinux
#9 5.709 The downloaded packages were saved in cache until the next successful transaction.
#9 5.709 You can remove cached packages by executing 'dnf clean packages'.
#9 5.712 Error: GPG check FAILED

[SebastianAchilles]

Fixed in #33