updated json tests with new nested syntax
updated json tests with new nested syntax

CenterForOpenScience/scrapi,fabianvf/scrapi,icereval/scrapi,erinspace/scrapi,erinspace/scrapi,fabianvf/scrapi,CenterForOpenScience/scrapi,felliott/scrapi,ostwald/scrapi,alexgarciac/scrapi,mehanig/scrapi,jeffreyliu3230/scrapi,felliott/scrapi,mehanig/scrapi