final List<Map<String, Object>> result = chatClient.testSearchWithQueryFiltered(null, Collections.emptyMap(), new String[0]);
        assertTrue(result.isEmpty());
        assertFalse(chatClient.wasSearchDocumentsCalled());
    }

    @Test
    public void test_searchWithQuery_filters_blank() {
        final List<Map<String, Object>> result = chatClient.testSearchWithQueryFiltered("   ", Collections.emptyMap(), new String[0]);