rm minitest monkey patch
deprecate `describe` without a block.
minitest/spec provides `describe`, so deprecate the rails version and
have people use the superclass version
we still need `describe` as the implementation differs from minitest
minitest provides "it" and "describe"
Remove rails implementation of describe, alias "test" to "it"
minitest is a gem dep, so remove this conditional
activesupport gem dependencies should reflect the versions we actuall…
hook mocha in through m/t before_setup, after_teardown hooks
spec class names can possibly be nil in mt/s < 2.6.1, so work around …
register spec subclasses for people who spec
require minitest rather than test/unit
require test/unit and sort test order
started converting AS::TestCase to minitest
removing AS::Testing::Default in favor of just undefing default_test
fixing activemodel tests. [#4210 state:resolved]
Signed-off-by: wycats <email@example.com>