public function testSuccessfuSpeak()
{
$client = new Client();
$content = Stream::factory('{"access_token":"123"}');
$mock = new Mock([new Response(200, [], $content), new Response(200, [], Stream::factory('AUDIO_DATA'))]);
$client->getEmitter()->attach($mock);
$translator = new \badams\MicrosoftTranslator\MicrosoftTranslator($client);
$translator->setClient('client_id', 'client_secret');
$output = base64_decode($translator->speak('Hello', 'en'));
$this->assertEquals('AUDIO_DATA', $output);
}
