phpunit 测试时 返回的数据不一致也测试通过了,这是 phpunit 的容错率吗？

测试代码

$user = factory(MiniProgramUser::class)->create();
$key = $user->random_key;

$headers = ['x-weapp-auth-key' => $key];
$interact = factory(Interact::class)->create(
    [
        'title' => 'interact title1',
        'desc'  => 'interact desc1'
    ]
);
$project = factory(Project::class)->create(
    [
        'title' => 'project title1',
        'desc'  => 'project desc1'
    ]
);
$interact->projects()->attach($project->id);
$this->json('GET', "/api/v1/interact/{$interact->id}/project/{$project->id}", [], $headers)
    ->assertStatus(200)->assertJson(
        [
            'status'=>[
                'stateCode'=> 1006,
                'msg' => ''
            ],
            'data' => [
                'interact' =>[

                        'title' => 'interact title1',
                        'desc'  => 'interact desc1',
                        'projects' => [
                            [
                                'title' => 'project title1',
                                'desc'  => 'project desc1'
                            ]

                        ]

                ]

            ]
        ]
    );

断言的json

[{
    "status": {
        "stateCode": 1006,
        "msg": ""
    },
    "data": {
        "interact": {
            "title": "interact title1",
            "desc": "interact desc1",
            "projects": [
                {
                    "title": "project title1",
                    "desc": "project desc1"
                }
            ]
        }
    }
}]

返回的json

[{
    "status": {
        "stateCode": 1006,
        "msg": ""
    },
    "data": {
        "interact": {
            "id": 1,
            "created_at": "2018-03-06 09:41:47",
            "updated_at": "2018-03-06 09:41:47",
            "title": "interact title",
            "desc": "interact desc1",
            "link": null,
            "type": null,
            "projects": [
                {
                    "id": 1,
                    "created_at": "2018-03-06 09:41:47",
                    "updated_at": "2018-03-06 09:41:47",
                    "title": "project title1",
                    "desc": "project desc1",
                    "start_time": "10:40:26",
                    "end_time": "13:15:45",
                    "parent_id": null,
                    "lft": null,
                    "rgt": null,
                    "depth": null,
                    "pivot": {
                        "interact_id": "1",
                        "project_id": "1"
                    }
                }
            ]
        }
    }
}]

测试结果竟然通过了，很奇怪

这是为什么呢？