Allow failure for hhvm
Allow failure for hhvm

odolbeau/swarrot,olaurendeau/swarrot,adrienbrault/swarrot,metfan/swarrot,stof/swarrot,MattKetmo/swarrot,lafourchette/swarrot,swarrot/swarrot,swarrot/swarrot,stof/swarrot,olaurendeau/swarrot,odolbeau/swarrot,lafourchette/swarrot,MattKetmo/swarrot,metfan/swarrot,adrienbrault/swarrot