public function testSetGetHasAccessToken()
 {
     $session = new PrismicContainer('Test');
     $this->assertFalse($session->hasAccessToken());
     $this->assertNull($session->getAccessToken());
     $session->setAccessToken('foo');
     $this->assertTrue($session->hasAccessToken());
     $this->assertSame('foo', $session->getAccessToken());
 }