var response handler.Response

resp := sendMessage("POST", "http://"+Address+"/posts", message)
    err := json.NewDecoder(resp.Body).Decode(&response)
    if err != nil {
        panic(fmt.Sprintf("Error decoding received body. Error: %s", err))
    }
    defer resp.Body.Close()
    if resp.StatusCode != http.StatusCreated {
        t.Errorf("Error %d. Error message: %s", resp.StatusCode, response.Error)
    }

    workingPost = response.Body.(Post)