Fixed mock object to work with new version of libhxl (open_url_or_file instead of make_stream)
Fixed mock object to work with new version of libhxl (open_url_or_file instead of make_stream)

HXLStandard/hxl-proxy,HXLStandard/hxl-proxy,HXLStandard/hxl-proxy,HXLStandard/hxl-proxy