fix expect throw syntax in tests.  change arguments to objects.
fix expect throw syntax in tests.  change arguments to objects.

tpiecora/joi,ck-lee/joi,danielb2/joi,myndzi/joi,thethanghn/react-native-joi,davidbenko9/joi,jagoda/joi,geminiyellow/joi,jeffbski/joi,myndzi/joi,cesarmarinhorj/joi,bananaoomarang/joi,robertherber/joi-extended,pandeysoni/joi,rmoorman/joi,pikselpalette/joi,olistic/joi-extended,opyate/joi,naitsric/joi,lloydbenson/joi