rails/rails — pull request #16839 by chancancode (2014-09-08 12:37:20+00:00)
Title: Default to sorting user's test cases for now

Goals:

1. Default to :random for newly generated applications
2. Default to :sorted for existing applications with a warning
3. Only show the warning once
4. Only show the warning if the app actually uses AS::TestCase

Fixes #16769