test_mailto.rb: overwritten methods
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_mailto.rb: overwritten methods
merge overwritten methods. [Bug #10774]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e