TESTS: added find/tail test re:issue #457
TESTS: added find/tail test re:issue #457

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