RequestTest::testSendHeadersParsingKey PHP Method

    public function testSendHeadersParsingKey()
    {
        $response = $this->request->send('GET', 'https://api.spotify.com/v1/albums/7u6zL7kqpgLPISZYXNTgYk');
        $this->assertArrayHasKey('Content-Type', $response['headers']);
    }