Kак в тестах laravel проверить json на undefined?

Question

[ABCquestion]

пробую так ошибка ErrorException : Undefined offset: 0

ответ запроса 
{#3113
  +"success": true
  +"data": []
}

$response = $this->get('/api/mobile/catalog/'.$catalog->id.'/category/items');
  $this->assertEmpty(json_decode($response->getContent())->data[0]);

Answer 1

[Andrey Helldar]

$this->get('path')
    ->assertJson([
        'success' => true,
        'data' => []
    ]);