adding tests for data consistency (#55)
adding tests for data consistency (#55)

* adding tests for data consistency

* passing flake

* better comments

* spelling

nkubala/runtimes-common,sharifelgamal/runtimes-common,priyawadhwa/runtimes-common,GoogleCloudPlatform/runtimes-common,dlorenc/runtimes-common,huyhg/runtimes-common,priyawadhwa/runtimes-common,dlorenc/runtimes-common,duggelz/runtimes-common,GoogleCloudPlatform/runtimes-common,dlorenc/runtimes-common,duggelz/runtimes-common,nkubala/runtimes-common,sharifelgamal/runtimes-common,priyawadhwa/runtimes-common,huyhg/runtimes-common,priyawadhwa/runtimes-common,nkubala/runtimes-common,nkubala/runtimes-common,cftorres/runtimes-common,sharifelgamal/runtimes-common,duggelz/runtimes-common,cftorres/runtimes-common,sharifelgamal/runtimes-common,abbytiz/runtimes-common,cftorres/runtimes-common,priyawadhwa/runtimes-common,priyawadhwa/runtimes-common,abbytiz/runtimes-common,abbytiz/runtimes-common,nkubala/runtimes-common,sharifelgamal/runtimes-common,GoogleCloudPlatform/runtimes-common,sharifelgamal/runtimes-common,sharifelgamal/runtimes-common,huyhg/runtimes-common,priyawadhwa/runtimes-common