These tests don't need to run for every PR, and the thing they're
testing never runs on any branch except `main`. Stop them from
running on this branch. In case someone decides to try and use them,
also fix the errant API call which triggered the original problem.
Ref: https://github.com/containers/podman/pull/17383
Signed-off-by: Chris Evich <cevich@redhat.com>