protected function populateDatabase() { $country = new Models\Country(['name' => 'United Kingdom']); $country->save(); $city = new Models\City(['name' => 'Newcastle', 'country_id' => 1]); $city->save(); $book = new Models\Book(['name' => 'Book 1']); $this->createAuthor($book, $city); $this->createEditor(); $this->createCategory(); }