Add some fake data generation code to RunCohort for testing the json pass thru...
Add some fake data generation code to RunCohort for testing the json pass thru...

tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem,tobeycarman/dvm-dos-tem