);
        when(mockNdrBuffer.dec_ndr_small()).thenReturn(4, 5);

        dnsDomainInfo.decode(mockNdrBuffer);

        assertNull(dnsDomainInfo.name.buffer);
        assertNull(dnsDomainInfo.dns_domain.buffer);
        assertNull(dnsDomainInfo.dns_forest.buffer);
        assertNull(dnsDomainInfo.sid);
        assertNotNull(dnsDomainInfo.domain_guid.node); // Should be initialized even if null in encode

    public void test_getMapValue_notMap() {
        final Map<String, Object> map = Map.of("key", "string_value");
        assertNull(coordinatorHelper.getMapValue(map, "key"));
    }

    @Test
    public void test_getMapValue_missing() {
        final Map<String, Object> map = Map.of("key", "value");
        assertNull(coordinatorHelper.getMapValue(map, "nonexistent"));
    }

    @Test
    public void test_getListValue_exists() {

        assertNull(transformer.getThumbnailUrl(responseData, getDocument(data)));

        data = "<img src=\"http://example/foo.jpg\" width=\"x\" height=\"x\">";
        assertNull(transformer.getThumbnailUrl(responseData, getDocument(data)));

        data = "<img src=\"http://example/foo.jpg\" width=\"10\" height=\"100\">";
        assertNull(transformer.getThumbnailUrl(responseData, getDocument(data)));

        queryHelper.setSortPrefix("customSort:");
        assertEquals("customSort:", queryHelper.getSortPrefix());
    }

    @Test
    public void test_getAdditionalQuery() {
        assertNull(queryHelper.getAdditionalQuery());
    }

    @Test
    public void test_setAdditionalQuery() {
        queryHelper.setAdditionalQuery("additional query");

    public void test_stripHtmlTags_preservesPlainText() {
        assertEquals("plain text", client.testStripHtmlTags("plain text"));
    }

    @Test
    public void test_stripHtmlTags_handlesNull() {
        assertNull(client.testStripHtmlTags(null));
    }

    @Test
    public void test_stripHtmlTags_handlesEmpty() {
        assertEquals("", client.testStripHtmlTags(""));
    }

    @Test