var tcpServerTests … // TestTCPServer tests concurrent accept-read-write servers. func TestTCPServer(t *testing.T) { … } // TestUnixAndUnixpacketServer tests concurrent accept-read-write // servers func TestUnixAndUnixpacketServer(t *testing.T) { … } var udpServerTests … func TestUDPServer(t *testing.T) { … } func TestUnixgramServer(t *testing.T) { … }