Add various ssh tests to the filemap for salt/utils/vt.py changes
Add various ssh tests to the filemap for salt/utils/vt.py changes

Some of the salt-ssh tests use the salt/utils/vt.py functions. A recent
change in that file caused about 90 tests to start failing on the branch.

We need to make sure these tests run when changes to the vt.py util are
made in PRs.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt