Call to this function will return TRUE when run on a system where the
environment variable R_RAP_INSTANCE
is set to either "DEV", "TEST",
"QA" or "PRODUCTION" and FALSE otherwise
Call to this function will return TRUE when run on a system where the
environment variable R_RAP_INSTANCE
is set to either "DEV", "TEST",
"QA" or "PRODUCTION" and FALSE otherwise