spec/rubyspec: Add ruby_version_is guard
ruby_version_is
for future backport to ruby/spec repository.
See r58772 r58773 r58774.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
spec/rubyspec: Add
ruby_version_isguardfor future backport to ruby/spec repository.
See r58772 r58773 r58774.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e