Test Config Directory Update #428

Created by: osbornjd

This PR addresses issue 428 to change the directory where tests look for configuration files (e.g. for an ssh connection to test remote connection functionality). It takes advantage of @dbluhm's recent updates from PR 444.

Configuration files now for Commands tests now live in $TEST_DATA_PATH/commands. For now, the only configuration files that are needed for the tests are the ssh remote connection file and the email connection file.