create(); $user = factory(User::class)->create(['account_id' => $account->id]); $addressBook = AddressBook::factory()->create([ 'account_id' => $account->id, 'user_id' => $user->id, ]); $this->assertTrue($addressBook->account()->exists()); } /** @test */ public function it_belongs_to_a_user() { $user = factory(User::class)->create(); $addressBook = AddressBook::factory()->create([ 'user_id' => $user->id, ]); $this->assertTrue($addressBook->user()->exists()); } }