test/unit: assert_raise_with_message
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test/unit: assert_raise_with_message
test/fileutils/test_fileutils.rb. this is still experimental and
the interface may be changed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e