/**
  * @group tenant
  */
 public function testTenants()
 {
     $service = new IdentityService(self::conf('openstack.identity.url'), $this->getTransportClient());
     $service2 = new IdentityService(self::conf('openstack.identity.url'), $this->getTransportClient());
     $user = self::conf('openstack.identity.username');
     $pass = self::conf('openstack.identity.password');
     $tenantId = self::conf('openstack.identity.tenantId');
     $service->authenticateAsUser($user, $pass, $tenantId);
     $tenants = $service2->tenants($service->token());
     $this->assertGreaterThan(0, count($tenants));
     $this->assertNotEmpty($tenants[0]['name']);
     $this->assertNotEmpty($tenants[0]['id']);
     $tenants = $service->tenants();
     $this->assertGreaterThan(0, count($tenants));
     $this->assertNotEmpty($tenants[0]['name']);
     $this->assertNotEmpty($tenants[0]['id']);
 }