public static void mergeCacheProperties(JSONObject properties) {
        if (properties == null || mCacheProperties == null || mCacheProperties.length() == 0) {
            return;
        }
        JSONUtils.mergeJSONObject(mCacheProperties, properties);
        mCacheProperties = null;
    }
@Test
    public void mergeCacheProperties() {
        DeepLinkManager.mergeCacheProperties(null);
    }