/**
  * @covers Alchemy\Phrasea\Authentication\ProvidersCollection::has
  */
 public function testHas()
 {
     $provider = $this->getProviderMock('neutron-provider');
     $providers = new ProvidersCollection();
     $this->assertFalse($providers->has('neutron-provider'));
     $providers->register($provider);
     $this->assertTrue($providers->has('neutron-provider'));
 }