Make exopackage test implicitly track expected state
Make exopackage test implicitly track expected state

Summary:
The functions that edit files now also mark the expected output for
that type and we check all of the expected outputs on every build.

Test Plan: scripts/exopackage_test_single.sh

Reviewed By: dreiss

fbshipit-source-id: 8376a53

SeleniumHQ/buck,SeleniumHQ/buck,vschs007/buck,dsyang/buck,LegNeato/buck,Addepar/buck,shs96c/buck,ilya-klyuchnikov/buck,vschs007/buck,romanoid/buck,Addepar/buck,facebook/buck,zhan-xiong/buck,davido/buck,SeleniumHQ/buck,rmaz/buck,zhan-xiong/buck,facebook/buck,rmaz/buck,dsyang/buck,LegNeato/buck,davido/buck,JoelMarcey/buck,darkforestzero/buck,JoelMarcey/buck,brettwooldridge/buck,grumpyjames/buck,ilya-klyuchnikov/buck,grumpyjames/buck,k21/buck,Addepar/buck,rmaz/buck,clonetwin26/buck,romanoid/buck,facebook/buck,marcinkwiatkowski/buck,nguyentruongtho/buck,shs96c/buck,clonetwin26/buck,robbertvanginkel/buck,robbertvanginkel/buck,davido/buck,brettwooldridge/buck,ilya-klyuchnikov/buck,facebook/buck,marcinkwiatkowski/buck,zhan-xiong/buck,grumpyjames/buck,dsyang/buck,marcinkwiatkowski/buck,grumpyjames/buck,shybovycha/buck,clonetwin26/buck,brettwooldridge/buck,brettwooldridge/buck,JoelMarcey/buck,grumpyjames/buck,shybovycha/buck,darkforestzero/buck,brettwooldridge/buck,darkforestzero/buck,vschs007/buck,Addepar/buck,shybovycha/buck,marcinkwiatkowski/buck,k21/buck,vschs007/buck,zpao/buck,clonetwin26/buck,JoelMarcey/buck,LegNeato/buck,clonetwin26/buck,vschs007/buck,dsyang/buck,kageiit/buck,Addepar/buck,robbertvanginkel/buck,marcinkwiatkowski/buck,kageiit/buck,grumpyjames/buck,clonetwin26/buck,davido/buck,brettwooldridge/buck,zhan-xiong/buck,nguyentruongtho/buck,LegNeato/buck,shybovycha/buck,nguyentruongtho/buck,shybovycha/buck,ilya-klyuchnikov/buck,robbertvanginkel/buck,brettwooldridge/buck,romanoid/buck,marcinkwiatkowski/buck,brettwooldridge/buck,marcinkwiatkowski/buck,Addepar/buck,robbertvanginkel/buck,robbertvanginkel/buck,zhan-xiong/buck,dsyang/buck,shybovycha/buck,clonetwin26/buck,rmaz/buck,dsyang/buck,k21/buck,robbertvanginkel/buck,Addepar/buck,shybovycha/buck,davido/buck,k21/buck,shs96c/buck,rmaz/buck,brettwooldridge/buck,LegNeato/buck,davido/buck,robbertvanginkel/buck,JoelMarcey/buck,davido/buck,rmaz/buck,SeleniumHQ/buck,zpao/buck,rmaz/buck,LegNeato/buck,vschs007/buck,vschs007/buck,rmaz/buck,zhan-xiong/buck,k21/buck,grumpyjames/buck,shs96c/buck,grumpyjames/buck,zhan-xiong/buck,Addepar/buck,shybovycha/buck,vschs007/buck,LegNeato/buck,ilya-klyuchnikov/buck,romanoid/buck,ilya-klyuchnikov/buck,SeleniumHQ/buck,darkforestzero/buck,k21/buck,shs96c/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,zhan-xiong/buck,nguyentruongtho/buck,grumpyjames/buck,dsyang/buck,SeleniumHQ/buck,JoelMarcey/buck,LegNeato/buck,marcinkwiatkowski/buck,darkforestzero/buck,romanoid/buck,shybovycha/buck,romanoid/buck,kageiit/buck,dsyang/buck,kageiit/buck,SeleniumHQ/buck,zpao/buck,romanoid/buck,darkforestzero/buck,Addepar/buck,rmaz/buck,JoelMarcey/buck,darkforestzero/buck,grumpyjames/buck,marcinkwiatkowski/buck,clonetwin26/buck,ilya-klyuchnikov/buck,nguyentruongtho/buck,rmaz/buck,ilya-klyuchnikov/buck,facebook/buck,davido/buck,LegNeato/buck,LegNeato/buck,kageiit/buck,shs96c/buck,SeleniumHQ/buck,zpao/buck,shs96c/buck,LegNeato/buck,romanoid/buck,brettwooldridge/buck,dsyang/buck,marcinkwiatkowski/buck,zpao/buck,brettwooldridge/buck,romanoid/buck,romanoid/buck,shs96c/buck,facebook/buck,shs96c/buck,marcinkwiatkowski/buck,davido/buck,grumpyjames/buck,Addepar/buck,Addepar/buck,nguyentruongtho/buck,k21/buck,romanoid/buck,ilya-klyuchnikov/buck,romanoid/buck,zhan-xiong/buck,davido/buck,JoelMarcey/buck,k21/buck,SeleniumHQ/buck,clonetwin26/buck,robbertvanginkel/buck,vschs007/buck,k21/buck,ilya-klyuchnikov/buck,robbertvanginkel/buck,brettwooldridge/buck,kageiit/buck,shybovycha/buck,robbertvanginkel/buck,zhan-xiong/buck,ilya-klyuchnikov/buck,shs96c/buck,darkforestzero/buck,SeleniumHQ/buck,nguyentruongtho/buck,SeleniumHQ/buck,vschs007/buck,clonetwin26/buck,dsyang/buck,clonetwin26/buck,grumpyjames/buck,LegNeato/buck,SeleniumHQ/buck,darkforestzero/buck,SeleniumHQ/buck,clonetwin26/buck,vschs007/buck,k21/buck,darkforestzero/buck,marcinkwiatkowski/buck,shs96c/buck,davido/buck,rmaz/buck,JoelMarcey/buck,brettwooldridge/buck,zhan-xiong/buck,vschs007/buck,darkforestzero/buck,shybovycha/buck,romanoid/buck,JoelMarcey/buck,k21/buck,darkforestzero/buck,davido/buck,zpao/buck,facebook/buck,k21/buck,JoelMarcey/buck,clonetwin26/buck,dsyang/buck,shybovycha/buck,ilya-klyuchnikov/buck,robbertvanginkel/buck,shs96c/buck,LegNeato/buck,darkforestzero/buck,marcinkwiatkowski/buck,JoelMarcey/buck,shybovycha/buck,JoelMarcey/buck,vschs007/buck,rmaz/buck,k21/buck,shs96c/buck,Addepar/buck,zpao/buck,kageiit/buck,rmaz/buck,robbertvanginkel/buck,dsyang/buck,dsyang/buck,Addepar/buck,zhan-xiong/buck,davido/buck