Validate that exopackage install doesn't do extra work in test
Validate that exopackage install doesn't do extra work in test

Summary:
Previously, this test just verified that we got the correct behavior.
Now, I'm also checking that it's doing the right amount of work.

This introduces a dependency on jq.

Test Plan: Ran it.

fbshipit-source-id: 38e8676

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