Bert Curtis

``` def chrome_headless_session(metadata) do {:ok, cwd} = File.cwd() downloads_path = Path.join(cwd, "test_downloads") Hound.start_session( additional_capabilities: %{ chromeOptions: %{ "args" => [ "--user-agent=#{:chrome |> Browser.user_agent() |> Metadata.append(metadata)}", "--headless", "--disable-gpu" ], "prefs" =>...