Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [12/21 Test #12: test_ruby_libdnf5_base/test_base.rb .........................***Not Run   0.00 sec]: [Test #12 was not executed.]
=============
[Could not find executable ]: [Executable was not found.]
=============
[13/21 Test #13: test_ruby_libdnf5_base_test_case.rb .........................***Not Run   0.00 sec]: [Test #13 was not executed.]
=============
[The following tests FAILED:
	 12 - test_ruby_libdnf5_base/test_base.rb (Not Run)
	 13 - test_ruby_libdnf5_base_test_case.rb (Not Run)
	 14 - test_ruby_libdnf5_logger/test_loggers.rb (Not Run)
	 15 - test_ruby_libdnf5_repo/test_file_downloader.rb (Not Run)
	 16 - test_ruby_libdnf5_repo/test_package_downloader.rb (Not Run)
	 17 - test_ruby_libdnf5_repo/test_repo.rb (Not Run)
	 18 - test_ruby_libdnf5_rpm/test_package_query.rb (Not Run)
	 19 - test_ruby_libdnf5_rpm/test_package_query_set_operators.rb (Not Run)
	 20 - test_ruby_libdnf5_utils/test_patterns.rb (Not Run)]: [Multiple tests have failed, as they were not run. Tests #12 to #20 were not executed, causing test suite failure.]
=============
[ERROR: Command failed: 
 # /usr/bin/systemd-nspawn -q -M ec9af141fd814a06a7662034669d845e -D /var/lib/mock/fedora-rawhide-x86_64-1741087211.456179/root -a -u mockbuild --capability=cap_ipc_lock --rlimit=RLIMIT_NOFILE=10240 --capability=cap_ipc_lock --bind=/tmp/mock-resolv.xamr75z1:/etc/resolv.conf --bind=/dev/btrfs-control --bind=/dev/mapper/control --bind=/dev/fuse --bind=/dev/loop-control --bind=/dev/loop0 --bind=/dev/loop1 --bind=/dev/loop2 --bind=/dev/loop3 --bind=/dev/loop4 --bind=/dev/loop5 --bind=/dev/loop6 --bind=/dev/loop7 --bind=/dev/loop8 --bind=/dev/loop9 --bind=/dev/loop10 --bind=/dev/loop11 --console=pipe --setenv=TERM=vt100 --setenv=SHELL=/bin/bash --setenv=HOME=/builddir --setenv=HOSTNAME=mock --setenv=PATH=/usr/bin:/bin:/usr/sbin:/sbin '--setenv=PROMPT_COMMAND=printf "\033]0;<mock-chroot>\007"' '--setenv=PS1=<mock-chroot> \s-\v\$ ' --setenv=LANG=C.UTF-8 --resolv-conf=off bash --login -c '/usr/bin/rpmbuild -bb  --target x86_64 --nodeps /builddir/build/originals/dnf5.spec']: [Build command has failed.]

Issue: Executable required for tests #12 - #20 has not been found during execution of the test suite. This caused the test suite to fail, which led to build failure.
Resolution: Ensure that all tests of package can be executed on the machine used for build.