@Test
    public void test_constructor() {
        // Test that constructor creates instance without error
        PurgeDocJob job = new PurgeDocJob();
        assertNotNull(job);
    }

    @Test
    public void test_execute_success() {
        // Execute the job
        String result = purgeDocJob.execute();

        // Assert deleteByQuery was called
        assertTrue(deleteByQueryCalled);