fix

app/routers/put.go

@@ -15,13 +15,12 @@ type PutRequestBody struct {
 	Delay            *int   `json:"delay"`
 }
 
-func Put(w http.ResponseWriter, r *http.Request) {
+func Put(r *http.Request) (interface{}, int) {
 	d := json.NewDecoder(r.Body)
 	body := PutRequestBody{}
 	err := d.Decode(&body)
 	if err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		return
+		return nil, http.StatusBadRequest
 	}
 
 	queue := r.Header.Get("queue")
@@ -44,9 +43,8 @@ func Put(w http.ResponseWriter, r *http.Request) {
 
 	err = tasks.Add(task)
 	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		return
+		return nil, http.StatusInternalServerError
 	}
 
-	w.WriteHeader(http.StatusAccepted)
+	return nil, http.StatusAccepted
 }