Fix FOAMByExample node tests off by one.
Fix FOAMByExample node tests off by one.

jacksonic/vjlofvhjfgm,foam-framework/foam2,TanayParikh/foam2,foam-framework/foam2,TanayParikh/foam2,TanayParikh/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,TanayParikh/foam2,jacksonic/vjlofvhjfgm