Add accidentally removed testsuite entry in cabal
Add accidentally removed testsuite entry in cabal

jaspervdj/websockets,jaspervdj/websockets,0xfaded/websockets,jaspervdj/websockets,nsluss/websockets,stormont/websockets,jaspervdj/websockets,jaspervdj/websockets,zodiac/websockets,zodiac/websockets,nsluss/websockets,zodiac/websockets,0xfaded/websockets,nsluss/websockets,stormont/websockets,stormont/websockets