TESTS: added test to reflect issue #281 in namespace-test.r
TESTS: added test to reflect issue #281 in namespace-test.r

NikolayShubenkovProgSchool/red,iArnold/red,rheber/red,vehar/red,rheber/red,NikolayShubenkovProgSchool/red,vehar/red,red-eco/red,iArnold/red,red-eco/red