tools/pretty_tox.sh should be marked as executable, this patch just 'chmod +x' to it. Closes-Bug: 1486313 Change-Id: Ia5fa921e83da1e094970b1e44c9709272c7e32d3
This makes the test output look like nova's, for consistency. Change-Id: I24887521d5a3c7d768d77e07e40ab4468e77c9b9