Unfortunately we do not have a way to delete versions at the moment, however leaving it in testing and continuing your work on 0.0.3 will not affect your extension (you can just save 0.0.4 for the next time!)
Unfortunately we do not have a way to delete versions at the moment, however leaving it in testing and continuing your work on 0.0.3 will not affect your extension (you can just save 0.0.4 for the next time!)