app/tests/Feature/User/Dish/RemoveDishesForUserTest.php

<?php

namespace Tests\Feature\User\Dish;

use App\Models\Dish;
use App\Models\User;
use App\Models\UserDish;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Testing\Fluent\AssertableJson;
use Tests\TestCase;
use Tests\Traits\HasPlanner;

class RemoveDishesForUserTest extends TestCase
{
    use HasPlanner;
    use RefreshDatabase;

    public function test_it_can_remove_dish_for_a_user(): void
    {
        $this->assertDatabaseEmpty(UserDish::class);

        $planner = $this->planner;
        $user = User::factory()->planner($planner)->create();
        $dish = Dish::factory()->planner($planner)->create();
        $user->dishes()->attach($dish);

        $this->assertDatabaseCount(UserDish::class, 1);

        $this
            ->actingAs($planner)
            ->delete(route('api.users.dishes.destroy', [
                'dish' => $dish,
                'user' => $user
            ]), [])
            ->assertStatus(200)
            ->assertJson(fn (AssertableJson $json) => $json
                ->where('success', true)
                ->where('payload', null)
                ->where('errors', null)
            );

        $this->assertDatabaseEmpty(UserDish::class);

        $user->refresh();
        $this->assertEmpty($user->dishes);
    }
}