Add missing require.
Add missing require.

Other things in VCR load this but when I ran this spec file on its own it failed because it wasn't loaded.

Shopify/vcr,cemo/vcr,cemo/vcr,myronmarston/vcr,davidbebb/vcr,nishanbose/vcr,davidbebb/vcr,Shopify/vcr,asymmetric/vcr,chriswoodrich/vcr,allyapp/vcr,ihassin/vcr,ihassin/vcr,myronmarston/vcr,asymmetric/vcr,allyapp/vcr,ZmagoD/vcr,irfanah/vcr,intfrr/vcr,irfanah/vcr,chriswoodrich/vcr,mcfiredrill/vcr,ZmagoD/vcr,intfrr/vcr,mcfiredrill/vcr,nishanbose/vcr