Fix value for header content-encoding in a test
Fix value for header content-encoding in a test

Not that it matters for the test, but still.

heroku/cowboyku,callsign-core/cowboy_hybi00,lpgauth/cowboy,noname007/cowboy,unisontech/cowboy,layerhq/cowboy,dangjun625/cowboy,276361270/cowboy,bsmr-erlang/cowboy,venkateshreddy/cowboy,paulperegud/cowboy,nviennot/cowboy,MSch/cowboy,yangchengjian/cowboy,binarin/cowboy,callsign-core/cowboy_hybi00,K2InformaticsGmbH/cowboy,manastech/cowboy,essen/cowboy,omusico/cowboy,ninenines/cowboy,rabbitmq/cowboy,turtleDeng/cowboy,Reimerei/cowboy,cad627/cowboy,kivra/cowboy,unisontech/cowboy,pap/cowboy,manastech/cowboy,yangchengjian/cowboy,cad627/cowboy,layerhq/cowboy,bobos/ecweb,lpgauth/cowboy,ferd/cowboyku,imdeps/cowboy,CrankWheel/cowboy,acrispin/cowboy,odo/cowboy,linearregression/cowboyku,binarin/cowboy,grahamrhay/cowboy,hairyhum/cowboy,sile/cowboy,essen/cowboy