* test/lib/test/unit/test-unit.gemspec: removed needless gemspec file.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* NEWS: style [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46068 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* NEWS: added minitest changes. [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46069 b2dd03c8-39d4-4d8f-98ff-823fe69b080e