Added a missing unit test for StringExentions
Added a missing unit test for StringExentions

jaxx-rep/Humanizer,mexx/Humanizer,llehouerou/Humanizer,preetksingh80/Humanizer,gyurisc/Humanizer,ErikSchierboom/Humanizer,CodeFromJordan/Humanizer,henriksen/Humanizer,llehouerou/Humanizer,ErikSchierboom/Humanizer,hazzik/Humanizer,micdenny/Humanizer,henriksen/Humanizer,preetksingh80/Humanizer,llehouerou/Humanizer,micdenny/Humanizer,CodeFromJordan/Humanizer,aloisdg/Humanizer,mrchief/Humanizer,thunsaker/Humanizer,Flatlineato/Humanizer,nigel-sampson/Humanizer,mexx/Humanizer,gyurisc/Humanizer,CodeFromJordan/Humanizer,schalpat/Humanizer,mrchief/Humanizer,kikoanis/Humanizer,HalidCisse/Humanizer,preetksingh80/Humanizer,schalpat/Humanizer,thunsaker/Humanizer,Flatlineato/Humanizer,MehdiK/Humanizer,nigel-sampson/Humanizer,HalidCisse/Humanizer,thunsaker/Humanizer,kikoanis/Humanizer,mrchief/Humanizer,HalidCisse/Humanizer