public function run()
 {
     $faker = Faker::create('fr_FR');
     MedicalCenter::create(['id' => MedicalCenter::UNKNOWN_MEDICAL_CENTER_ID, 'name' => 'inconnu']);
     // foreach (range(1, 50) as $index)
     // {
     //     MedicalCenter::create([
     //         "token" => $faker->md5(),
     //         "name" => $faker->city(20),
     //         "email" => $faker->email()
     //     ]);
     // }
 }
 /**
  * Update the token for a medical center item.
  *
  * @param $token
  * @param $medicalCenter
  *
  * @return bool
  */
 protected function updateToken($token, MedicalCenter $medicalCenter)
 {
     $medicalCenter->token = $token;
     return $medicalCenter->save();
 }