PrimitiveVariablesTest: check geometric interpretation
PrimitiveVariablesTest: check geometric interpretation

- interpretation needs to make it through
- interpretation needs to be updated properly (tests hash)

ivanimanishi/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,ImageEngine/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,boberfly/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,lucienfostier/gaffer,hradec/gaffer,johnhaddon/gaffer,andrewkaufman/gaffer,andrewkaufman/gaffer,boberfly/gaffer,GafferHQ/gaffer,hradec/gaffer,ivanimanishi/gaffer,hradec/gaffer,boberfly/gaffer,boberfly/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,hradec/gaffer,GafferHQ/gaffer,lucienfostier/gaffer,ImageEngine/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,ivanimanishi/gaffer,appleseedhq/gaffer,hradec/gaffer