assertEquals("\\\\\\\\", chatClient.testEscapeQueryValue("\\\\"));
    }

    // ========== searchWithQuery tests ==========

    @Test
    public void test_searchWithQuery_null() {
        final List<Map<String, Object>> result = chatClient.testSearchWithQuery(null);
        assertTrue(result.isEmpty());
        assertFalse(chatClient.wasSearchDocumentsCalled());
    }

    @Test