feat: update nats_test.go and README.md files for nats-slave container and queue configuration

- Add a line to the README.md file to run a docker container for nats-slave
- Delete a line from the nats_test.go file that sets the queue to "test"
- Add a line to the nats_test.go file that sets the queue to "cluster"

Signed-off-by: Bo-Yi Wu <[email protected]>

Author: appleboy

README.md

@@ -13,6 +13,7 @@ setup the nats server
 
 ```sh
 docker run -d --name nats-main -p 4222:4222 -p 8222:8222 nats:latest
+docker run -d --name nats-slave -p 4223:4222 -p 8223:8222 nats:latest
 ```
 
 run the test

nats_test.go

@@ -60,7 +60,7 @@ func TestClusteredHost(t *testing.T) {
 	w := NewWorker(
 		WithAddr(host, "nats://localhost:4223"),
 		WithSubj("test"),
-		WithQueue("test"),
+		WithQueue("cluster"),
 	)
 	q, err := queue.NewQueue(
 		queue.WithWorker(w),