* gems/bundled_gems: Upgrade to test-unit-3.0.0 and minitest-5.4.0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47066 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2014-08-05

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e