fail("Should throw NullPointerException without detector");
        } catch (NullPointerException e) {
            // Expected
        }
    }

    public void test_getDetectText_shortText() {
        String text = "Short text";
        String result = languageHelper.getDetectText(text);
        assertEquals("Short text", result);
    }

    public void test_getDetectText_longText() {