Update test_recovery.py (#1796)
Update test_recovery.py (#1796)

Anything named `test_` will get grabbed by pytest. Renames helper function to not be grabbed by pytest.
vishnu2kmohan/dcos-commons,mesosphere/dcos-commons,vishnu2kmohan/dcos-commons,mesosphere/dcos-commons,mesosphere/dcos-commons,vishnu2kmohan/dcos-commons,mesosphere/dcos-commons,mesosphere/dcos-commons,vishnu2kmohan/dcos-commons,vishnu2kmohan/dcos-commons