test_io_console.rb: test_set_winsize_console
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59842 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_io_console.rb: test_set_winsize_console
split from test_get_winsize_console and enable the case when
attached to a console already
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59842 b2dd03c8-39d4-4d8f-98ff-823fe69b080e