Having passed her first four assignments with aplomb, the unbeaten mare Queen Of Pitons will face a stern examination around 4:25 p.m. today on the Barbados Turf Club’s 11th day dubbed The Passing Parade Raceday. The Stephan Narinesingh mare steps up against the top-class horses rated 140-120 and below at the Garrison Savannah in the seventh race – the Elias Haloute Memorial Handicap. Since her maiden win in Barbados on …