* test/lisp/net/network-stream-tests.el (connect-to-tls-ipv4-wait) (connect-to-tls-ipv4-nowait, connect-to-tls-ipv6-nowait): Ensure gnutls-serv process gets killed. (echo-server-nowait, connect-to-tls-ipv4-nowait): Limit the amount of time we might wait.