increase wait time after starting autobahn

Author: lipp

test.sh

@@ -3,7 +3,7 @@ killall wstest 2>/dev/null
 wstest -m echoserver -w ws://localhost:${LUAWS_WSTEST_PORT:=8081}  &
 pid=$!
 echo "Waiting for wstest to start..."
-sleep 3
+sleep 10
 busted spec/
 bustedcode=$?
 kill ${pid}