test_basicsocket.rb: do not hardcode port number
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_basicsocket.rb: do not hardcode port number
port number, and remove never used argument.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e