Fix PG parser unit test
Fix PG parser unit test

Summary:
Uh, not sure how I landed this in the first place

facepalm

Reviewed By: ssj933

Differential Revision: D17532341

fbshipit-source-id: 4f544c8c712978264c64f6eb3615e01d85e19704

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex