TESTS: additional namespaces tests for WITH and nested contexts use cases.
TESTS: additional namespaces tests for WITH and nested contexts use cases.

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