The core point is the same: With sufficient test coverage, you can change one variable (Python 3 vs 2) and control for all others. Tests are not an end, they are a means to an end; the courage to change your software in the face of a constantly changing world.
Sounds like you're not there, but maybe you have specific domains of EVE that you feel comfortable changing at your whim. That's the success to focus on.
Sounds like you're not there, but maybe you have specific domains of EVE that you feel comfortable changing at your whim. That's the success to focus on.