'DatabaseSeeder', '--force' => true]); Artisan::call('db:seed', ['--class' => 'DemoSeeder', '--force' => true]); }); test('tax type has many taxes', function () { $taxtype = TaxType::factory()->hasTaxes(4)->create(); $this->assertCount(4, $taxtype->taxes); $this->assertTrue($taxtype->taxes()->exists()); });