String longText = sb.toString();

        String result = languageHelper.getDetectText(longText);
        assertEquals(1000, result.length());
    }

    @Test
    public void test_getDetectText_whitespaceNormalization() {
        String text = "Text   with\tmultiple\n\r  spaces";
        String result = languageHelper.getDetectText(text);
        assertEquals("Text with multiple spaces", result);
    }