CreateAdminTest.php

<?php

namespace Tests\Feature\Administrators;

use Illuminate\Foundation\Testing\WithFaker;
use Illuminate\Support\Facades\Hash;
use App\Eloquent\Auth\Administrator;
use App\Eloquent\Department;
use Tests\Concerns\AuthenticatesAdmin;
use Tests\TestCase;

class CreateAdminTest extends TestCase
{
    use AuthenticatesAdmin, WithFaker;

    /**
     * @test
     */
    public function an_admin_can_create_another_admin()
    {
        [$name, $email, $department] = [
            $this->faker->name, 
            $this->faker->safeEmail, 
            create(Department::class)
        ];

        $this->post('/administrators', [
            'name' => $name,
            'email' => $email,
            'department' => $department->id,
            'password' => '123456',
        ])
            ->assertStatus(302)
            ->assertRedirect('/administrators')
            ->assertSessionHas('success');

        $this->assertDatabaseHas('administrators', [
            'name' => $name,
            'email' => $email,
            'department_id' => $department->id,
        ]);

        $this->assertTrue(
            Hash::check('123456',
                Administrator::where('email', $email)->first()->password
            )
        );
    }
}