Fix indent and verify better the behavior of Dir.chdir without arguments
Fix indent and verify better the behavior of Dir.chdir without arguments

sgarciac/spec,eregon/rubyspec,kachick/rubyspec,ruby/spec,wied03/rubyspec,wied03/rubyspec,nobu/rubyspec,ruby/spec,kachick/rubyspec,kachick/rubyspec,ruby/rubyspec,sgarciac/spec,eregon/rubyspec,nobu/rubyspec,ruby/spec,eregon/rubyspec,nobu/rubyspec,ruby/rubyspec,sgarciac/spec,wied03/rubyspec