Instance.update_metadata(URI.parse("https://long-favicon.example.org/"))
{:ok, instance} = Instance.get_cached_by_url("https://long-favicon.example.org/")
Instance.update_metadata(URI.parse("https://long-favicon.example.org/"))
{:ok, instance} = Instance.get_cached_by_url("https://long-favicon.example.org/")