/** @test */
 public function it_returns_author_users()
 {
     $dbUserRepository = new DbUserRepository();
     factory(User::class, 2)->create();
     // Use to validate it does not return these.
     $actualAuthorUsers = factory(User::class, 2)->create();
     $dbUserRepository->assignAuthorRole($actualAuthorUsers->get(0));
     $dbUserRepository->assignAuthorRole($actualAuthorUsers->get(1));
     $expectedUsers = $dbUserRepository->getWithAuthorRole();
     $keys = $actualAuthorUsers->get(0)->getFillable();
     $this->assertSame(array_only($expectedUsers->toArray(), $keys), array_only($actualAuthorUsers->toArray(), $keys));
 }