test_hash.rb: move tests
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_hash.rb: move tests
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e