/**
  * @covers Contentful\Delivery\ContentType::__construct
  * @covers Contentful\Delivery\ContentType::getDescription
  * @covers Contentful\Delivery\ContentType::getField
  * @covers Contentful\Delivery\ContentType::getDisplayField
  *
  * @uses Contentful\Delivery\SystemProperties::__construct
  * @uses Contentful\Delivery\SystemProperties::getId
  *
  * @uses Contentful\Delivery\ContentTypeField::__construct
  * @uses Contentful\Delivery\ContentTypeField::getId
  */
 public function testGetterNotExisting()
 {
     $space = $this->getMockBuilder(Space::class)->disableOriginalConstructor()->getMock();
     $contentType = new ContentType('Human', null, [new ContentTypeField('likes', 'Likes', 'Array', null, 'Symbol', null), new ContentTypeField('image', 'Image', 'Array', null, 'Link', 'Asset', false, false, true)], null, new SystemProperties('human', 'ContentType', $space, null, 3, new \DateTimeImmutable('2013-06-27T22:46:14.133Z'), new \DateTimeImmutable('2013-09-02T15:10:26.818Z')));
     $this->assertNull($contentType->getDescription());
     $this->assertNull($contentType->getField('notExisting'));
     $this->assertNull($contentType->getDisplayField());
 }