Bug fix: Test did not enforce the environmental variable being one of 0,1,2,3. "12" in "0123" == True
Bug fix: Test did not enforce the environmental variable being one of 0,1,2,3. "12" in "0123" == True

pombreda/ruffus,d4g33z/ruffus,bunbun/ruffus,kmonsoor/ruffus,magosil86/ruffus,pombreda/ruffus,jigneshvasoya/ruffus,aeron15/ruffus