laracom/database/factories/ProductAttributeModelFactory.php

<?php

/*
|--------------------------------------------------------------------------
| Model Factories
|--------------------------------------------------------------------------
|
| Here you may define all of your model factories. Model factories give
| you a convenient way to create models for testing and seeding your
| database. Just tell the factory how a default model should look.
|
*/


use App\Shop\ProductAttributes\ProductAttribute;
/** @var \Illuminate\Database\Eloquent\Factory $factory */
$factory->define(ProductAttribute::class, function (Faker\Generator $faker) {
    return [
        'quantity' => 1,
        'price' => 1.55
    ];
});