Attempt to improve Dereferenceable shared specs.
Attempt to improve Dereferenceable shared specs.

MadBomber/concurrent-ruby,iNecas/concurrent-ruby,lucasallan/concurrent-ruby,ferdinandrosario/concurrent-ruby,hfenton/concurrent-ruby,benjamintanweihao/concurrent-ruby,akihiro17/concurrent-ruby,ferdinandrosario/concurrent-ruby,MYOB-Technology/concurrent-ruby,colinsurprenant/concurrent-ruby,lucasallan/concurrent-ruby,lucasallan/concurrent-ruby,devigned/concurrent-ruby,MYOB-Technology/concurrent-ruby,deivid-rodriguez/concurrent-ruby,akihiro17/concurrent-ruby,colinsurprenant/concurrent-ruby,philipmw/concurrent-ruby,marshall-lee/concurrent-ruby,benjamintanweihao/concurrent-ruby,hsavit1/concurrent-ruby,hobodave/concurrent-ruby,hsavit1/concurrent-ruby,iNecas/concurrent-ruby,akihiro17/concurrent-ruby,colinsurprenant/concurrent-ruby,hobodave/concurrent-ruby,devigned/concurrent-ruby,lucasallan/concurrent-ruby,hsavit1/concurrent-ruby,rranelli/concurrent-ruby,MadBomber/concurrent-ruby,hfenton/concurrent-ruby,rranelli/concurrent-ruby,benjamintanweihao/concurrent-ruby,marshall-lee/concurrent-ruby,marshall-lee/concurrent-ruby,deivid-rodriguez/concurrent-ruby,benjamintanweihao/concurrent-ruby,MYOB-Technology/concurrent-ruby,iNecas/concurrent-ruby,rranelli/concurrent-ruby,hfenton/concurrent-ruby,MadBomber/concurrent-ruby,hobodave/concurrent-ruby,hfenton/concurrent-ruby,ferdinandrosario/concurrent-ruby,philipmw/concurrent-ruby,philipmw/concurrent-ruby,MYOB-Technology/concurrent-ruby,devigned/concurrent-ruby,deivid-rodriguez/concurrent-ruby,devigned/concurrent-ruby,deivid-rodriguez/concurrent-ruby,lucasallan/concurrent-ruby,MadBomber/concurrent-ruby,rranelli/concurrent-ruby,philipmw/concurrent-ruby,ferdinandrosario/concurrent-ruby,hsavit1/concurrent-ruby,colinsurprenant/concurrent-ruby,akihiro17/concurrent-ruby,iNecas/concurrent-ruby,hobodave/concurrent-ruby,marshall-lee/concurrent-ruby