    @Test
    public void metadataReadWithNoProvider() throws Exception {

        Map<String, Object> asset = new HashMap<>();
        asset.put(AssetParams.provider.name(), "");
        asset.put(AssetParams.url.name(), "https://www.youtube.com/watch?v=nA1Aqp0sPQo");
        try {
            assetManager.urlValidate(asset, "license");
        } catch (ClientException e) {
            assertEquals(ResponseCode.CLIENT_ERROR.code(), e.getResponseCode().code());
            assertEquals(ErrMsg.SPECIFY_PROVIDER.value(), e.getMessage());
        }
    }