test_system.rb: fix test

* test/ruby/test_system.rb (TestSystem#test_system_redirect_win): fix
  meaningless test.  [Bug #7482]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_system.rb: indent

* test/ruby/test_system.rb (TestSystem#test_system): adjust indent

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38957 b2dd03c8-39d4-4d8f-98ff-823fe69b080e