Continuous Integration (CI) Job. Currently this is nested within a package-version object.
|R_version||String||The R version against which the package was tested.|
|job_id||Integer||The matrix job ID for this particular R version.|
|platform||String||Testing platform details.|
|OS||String||OS (with version) used for testing.|
|deployed_file||String||Name of the deployed file (if tests were successful).|
|status||String||Status of this matrix job.|