ShowColumnsCommand.ReplaceColumnNameVisitor

A different version of class was executed at runtime.

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	30 of 30	0%	6 of 6	0%	6	6	8	8	1	1
visitUnboundSlot(UnboundSlot, Void)		0%		0%	6	6	8	8	1	1