Fix travis build on 1.8.7.
Fix travis build on 1.8.7.

We can't count on hash ordering on 1.8.
asymmetric/vcr,mcfiredrill/vcr,nishanbose/vcr,Shopify/vcr,davidbebb/vcr,ZmagoD/vcr,mcfiredrill/vcr,myronmarston/vcr,davidbebb/vcr,ihassin/vcr,chriswoodrich/vcr,myronmarston/vcr,intfrr/vcr,cemo/vcr,allyapp/vcr,irfanah/vcr,asymmetric/vcr,Shopify/vcr,allyapp/vcr,nishanbose/vcr,intfrr/vcr,chriswoodrich/vcr,ihassin/vcr,ZmagoD/vcr,cemo/vcr,irfanah/vcr