autocde2.0/tests/Feature/API/ProjectTest.php

<?php

namespace Tests\Feature\API;

use App\Models\Asset;
use App\Models\Plan;
use App\Models\Project;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Foundation\Testing\WithFaker;
use Tests\Feature\TestCase;

class ProjectTest extends TestCase
{
    public function test_project_create(): void
    {
        $form = Project::factory()->make();
        $form->whitelist = [
            1
        ];

        $form->plans = [
            Plan::factory()->create()->id,
            Plan::factory()->create()->id,
        ];

        $form->assets = [
            Asset::factory()->create()->id,
            Asset::factory()->create()->id,
        ];

        $response = $this->post(route('project.store'), $form->toArray());

        $response->assertStatus(201);
    }
}