scylla-artifacts.py: Test scylla_setup script
scylla-artifacts.py: Test scylla_setup script

Instead of using scylla_io_setup, use the scylla_setup
script to perform the needed scylla setup. For now, we'll
be testing a subset of the script's functionality, down
the road we might test the remaining functionality.

Signed-off-by: Lucas Meneghel Rodrigues <8ad3460456640ab580599f5440c5a8d925a620b9@scylladb.com>

scylladb/scylla-artifact-tests,scylladb/scylla-artifact-tests,lmr/scylla-artifact-tests