function onTest( error, bool ) {
		if ( error ) {
			return done( error );
		}
		if ( bool ) {
			return done( null, spath );
		}
		next();
	}
Callback invoked after testing a resolved path.

@private
@param {(Error|null)} error - error object
@param {boolean} bool - boolean indicating if a path exists
@returns {void}