Write better Laravel tests 2

2.php

<?php

public function test_users_can_get_their_categories_list()
{
    // ...

    $response = $this->get('api/categories')
            ->assertSuccessful()
            ->dump()
            ->assertJsonCount(5)
            ->assertJsonStructure([
                [
                    'id',
                    'name',
                    'type',
                ],
            ]);

    foreach ($response->json() as $category) {
        $this->assertEquals($user->id,$category['user_id']);
    }
}