Add test case for anonymous function for keyHashFunction
Add test case for anonymous function for keyHashFunction

jaredtking/Stash,andrerom/Stash,graphis/Stash,bankiru/Stash,tedious/Stash,tedious/Stash,alawnchen/Stash,bankiru/Stash,AndrewCarterUK/Stash,localheinz/Stash,theUniC/Stash,jaredtking/Stash,csburton/Stash,alawnchen/Stash,AndrewCarterUK/Stash,theUniC/Stash,graphis/Stash,localheinz/Stash,csburton/Stash,andrerom/Stash