Fix Process#groups spec
Fix Process#groups spec

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