Avoid global state in undef spec
Avoid global state in undef spec

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