fix(integration): move waitgroup Add(1) outside goroutine to avoid potential issue (#10070)

Signed-off-by: googs1025 <googs1025@gmail.com>

integration/max_queue_test.go

@@ -52,8 +52,8 @@ func TestMaxQueue(t *testing.T) {
 	embedCtx := ctx
 
 	var genwg sync.WaitGroup
-	go func() {
 	genwg.Add(1)
+	go func() {
 		defer genwg.Done()
 		slog.Info("Starting generate request")
 		DoGenerate(ctx, t, client, req, resp, 45*time.Second, 5*time.Second)
@@ -71,8 +71,8 @@ func TestMaxQueue(t *testing.T) {
 	counterMu := sync.Mutex{}
 	var embedwg sync.WaitGroup
 	for i := 0; i < threadCount; i++ {
-		go func(i int) {
 		embedwg.Add(1)
+		go func(i int) {
 			defer embedwg.Done()
 			slog.Info("embed started", "id", i)
 			embedReq := api.EmbeddingRequest{