Fix pointer struct for channels

ytfunction.go

@@ -220,6 +220,7 @@ func (serve *Serve) Run() (err error) {
 		if err != nil {
 			return
 		}
+	} else {
 		serve.hasNats = true
 	}
 	rnd := make([]byte, 16)

ytfunction_test.go

@@ -17,7 +17,7 @@ func setup() {
 	}
 	port, exists := os.LookupEnv("NATS_PORT")
 	if !exists {
-		host = "4222"
+		port = "4222"
 	}
 
 	serve = NewServe(host, port, "", "test", nil)