Added test to return the value of the Literal.
Added test to return the value of the Literal.

ActiveRDF/ActiveRDF,net7/ActiveRDF,ActiveRDF/ActiveRDF,net7/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF,ActiveRDF/ActiveRDF,mauriciobomfim/ActiveRDF,net7/ActiveRDF,mauriciobomfim/ActiveRDF