PURPOSE of /CoreOS/curl/Sanity/scp-and-sftp-download-test
Description: downloads test file through scp and sftp
Author: Karel Srot <ksrot@redhat.com>

Test scenario:
- scp download
- sftp download
- scp upload
- sftp upload

When PUBKEY_PARAM global variable is set to 'empty' or 'none', scenarios are executed
with empty --pubkey parameter (--pubkey "") or with the paramiter omitted