Fixed behavior in browser with mocha-1.9.0
Fixed behavior in browser with mocha-1.9.0

anthonyvia/when,stevage/when,caporta/when,frank-weindel/when,SourcePointUSA/when,tkirda/when,petkaantonov/when,mlennon3/when,frank-weindel/when,ning-github/when,ning-github/when,mlennon3/when,stevage/when,tkirda/when,SourcePointUSA/when,caporta/when,DJDNS/when.js,anthonyvia/when