}
        };
        ComponentUtil.register(mockLanguageHelper, "languageHelper");
    }

    // Test execute() method with successful processing
    @Test
    public void test_execute_success() {
        String result = updateLabelJob.execute();
        assertNotNull(result);
        assertTrue(result.contains("3 documents")); // 3 documents processed
        assertFalse(result.contains("exception"));