public function testCanFormatAnImagesModelWithNoImages()
{
$model = $this->getMock('Imbo\\Model\\Images');
$model->expects($this->once())->method('getImages')->will($this->returnValue([]));
$json = $this->formatter->format($model);
$data = json_decode($json, true);
$this->assertCount(0, $data['images']);
}