WebApiUtil.setError(400, "");
        } catch (Exception e) {
            fail("setError should handle empty message gracefully: " + e.getMessage());
        }
    }

    public void test_setError_withVariousStatusCodes() {
        // Test setError with various HTTP status codes
        try {
            WebApiUtil.setError(200, "OK");
            WebApiUtil.setError(201, "Created");