Add argument for explicit port in NATS test server

Signed-off-by: Byron Ruth <[email protected]>

Author: bruth

eventstore_test.go

@@ -37,7 +37,7 @@ func (s *OrderStats) Evolve(event *Event) error {
 func TestEventStoreNoRegistry(t *testing.T) {
 	is := testutil.NewIs(t)
 
-	srv := testutil.NewNatsServer()
+	srv := testutil.NewNatsServer(-1)
 	defer testutil.ShutdownNatsServer(srv)
 
 	nc, _ := nats.Connect(srv.ClientURL())
@@ -215,7 +215,7 @@ func TestEventStoreWithRegistry(t *testing.T) {
 		},
 	}
 
-	srv := testutil.NewNatsServer()
+	srv := testutil.NewNatsServer(-1)
 	defer testutil.ShutdownNatsServer(srv)
 
 	nc, _ := nats.Connect(srv.ClientURL())

testutil/nats.go

@@ -7,9 +7,9 @@ import (
 	natsserver "github.com/nats-io/nats-server/v2/test"
 )
 
-func NewNatsServer() *server.Server {
+func NewNatsServer(port int) *server.Server {
 	opts := natsserver.DefaultTestOptions
-	opts.Port = -1
+	opts.Port = port
 	opts.JetStream = true
 	return natsserver.RunServer(&opts)
 }