final Set<String> analyzerNames = analyzerMap.get(analyzerSettingsIndexName);
        final String analyzerName;
        if (StringUtil.isNotBlank(field) && fieldAnalyzerMapping.containsKey(field)
                && fieldAnalyzerMapping.get(field).readingAnalyzer != null) {
            analyzerName = fieldAnalyzerMapping.get(field).readingAnalyzer;
        } else {
            analyzerName = READING_ANALYZER;

        enumMap.put(CrawlerStatus.DONE, "Done");

        assertEquals(3, enumMap.size());
        assertTrue(enumMap.containsKey(CrawlerStatus.INITIALIZING));
        assertTrue(enumMap.containsKey(CrawlerStatus.RUNNING));
        assertTrue(enumMap.containsKey(CrawlerStatus.DONE));
    }

        // Test adding null value
        builder.addInitialSettings("nullKey", null);
        assertEquals(1, builder.initialSettings.size());
        assertTrue(builder.initialSettings.containsKey("nullKey"));
        assertEquals(null, builder.initialSettings.get("nullKey"));
    }

    @Test
    public void testScrollTimeout() {
        // Test setting scroll timeout

        final Map<String, MappingMetadata> indexMappings = getMappingsResponse.mappings();
        if (indexMappings == null || !indexMappings.containsKey("properties")) {
            final AcknowledgedResponse putMappingResponse = fesenClient.get(c -> {
                final String source = FileUtil.readText("mapping/" + mappingName + ".json");