You can run the same task locally by running the ansible playbook. Execute the following command as root (don't do this on a production machine!):
$ ansible-playbook tests.yml -e taskotron_item=<NVR>
<NVR> with a Koji build NVR.
$ ansible-playbook tests.yml -e taskotron_item=htop-2.0.2-4.fc27
You can see the results in
Alternatively you can run the task through Taskotron runner:
$ runtask --item <NVR> --type koji_build task-rpmlint/
Don't forget to use
--libvirt, otherwise you need to run this
as root (not recommended). See Taskotron documentation.