Fixed up OneOfTest after Xdigit renaming
Fixed up OneOfTest after Xdigit renaming

augustohp/Validation,zinovyev/Validation,lalocespedes/Validation,mubassirhayat/Validation,rogeriopradoj/Validation,mrsoto/Validation,caferrari/Validation,maliayas/Validation,riyan8250/Validation,regdos/Validation,Whyounes/Validation,solvire/Validation,rozehnal/Validation,osiux/Validation,thedavidmeister/Validation,Respect/Validation,Respect/Validation,guilhermesiani/Validation,mta59066/Validation,jpjoao/Validation,ahmetgunes/Validation,Ye-Yong-Chi/Validation,hudolfhess/Validation