test: improve server test
test: improve server test

rom1504/webtorrent,arestov/webtorrent,rozifus/webtorrent,solderzzc/webtorrent,MiracleBlue/webtorrent,yciabaud/webtorrent,beni55/webtorrent,Stiveknx/webtorrent,joshterrill/webtorrent,loon3/webtorrent,beni55/webtorrent,karissa/webtorrent,loon3/webtorrent,feross/webtorrent,akiva/webtorrent,gillesdemey/webtorrent,solderzzc/webtorrent,jamesliu96/webtorrent,webtorrent/webtorrent,feross/webtorrent,MiracleBlue/webtorrent,yciabaud/webtorrent,Stiveknx/webtorrent,webtorrent/webtorrent,whitef0x0/webtorrent,madmarks/webtorrent,karissa/webtorrent,gillesdemey/webtorrent,ngjermundshaug/webtorrent,jamesliu96/webtorrent,whitef0x0/webtorrent,madmarks/webtorrent,akiva/webtorrent,joshterrill/webtorrent,rozifus/webtorrent,ngjermundshaug/webtorrent