One (unrelated) observation is:
type=AVC msg=audit(1626394111.747:3480): avc: denied { write } for pid=8039 comm="pulpcore-worker" name="exports" dev="vda1" ino=6029750 scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1626394111.747:3480): avc: denied { add_name } for pid=8039 comm="pulpcore-worker" name="Test_Organization" scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1626394111.747:3480): avc: denied { create } for pid=8039 comm="pulpcore-worker" name="Test_Organization" scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1626394111.748:3481): avc: denied { create } for pid=8039 comm="pulpcore-worker" name="export-76a2de76-edaa-45dc-8fba-ccc2da4771e2-20210716_0008.tar.gz" scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=file permissive=1
type=AVC msg=audit(1626394111.748:3481): avc: denied { write open } for pid=8039 comm="pulpcore-worker" path="/var/lib/pulp/exports/Test_Organization/Test_CV/1.0/2021-07-16T00-08-31-00-00/export-76a2de76-edaa-45dc-8fba-ccc2da4771e2-20210716_0008.tar.gz" dev="vda1" ino=6411379 scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=file permissive=1
type=AVC msg=audit(1626394111.748:3482): avc: denied { getattr } for pid=8039 comm="pulpcore-worker" path="/var/lib/pulp/exports/Test_Organization/Test_CV/1.0/2021-07-16T00-08-31-00-00/export-76a2de76-edaa-45dc-8fba-ccc2da4771e2-20210716_0008.tar.gz" dev="vda1" ino=6411379 scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=file permissive=1
type=AVC msg=audit(1626394111.748:3483): avc: denied { ioctl } for pid=8039 comm="pulpcore-worker" path="/var/lib/pulp/exports/Test_Organization/Test_CV/1.0/2021-07-16T00-08-31-00-00/export-76a2de76-edaa-45dc-8fba-ccc2da4771e2-20210716_0008.tar.gz" dev="vda1" ino=6411379 ioctlcmd=5401 scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=file permissive=1
type=AVC msg=audit(1626394111.785:3484): avc: denied { read } for pid=8039 comm="pulpcore-worker" name="export-76a2de76-edaa-45dc-8fba-ccc2da4771e2-20210716_0008.tar.gz" dev="vda1" ino=6411379 scontext=system_u:system_r:pulpcore_t:s0 tcontext=system_u:object_r:var_lib_t:s0 tclass=file permissive=1
seems /var/lib/pulp/exports is miss-labeled as var_lib_t, but that happens later than the first error
The first error in the bats log is
[2021-07-18T23:51:04.813Z] # Error: Option '--content-type': Value must be one of ..
Which sounds a bit like something coming from Fixes #31616 - Remove content_types requirement in katello.yaml and u… · Katello/katello@304de97 · GitHub?