Fix: html reporter crashing on before hook error

[chrmod]

HTML reporter expects that Runnables have a body

mocha/lib/reporters/html.js

Line 203 in d59cc6c

var pre = fragment('<pre><code>%e</code></pre>', utils.clean(test.body));

[danielstjules]

Thanks for the PR! Not sure why there's a merge conflict, so I'm gonna go ahead and merge #2115 instead

Edit: oops, linked to wrong PR