public function testEstadoDoObjetoAposLogout()
 {
     $this->object->login(self::$config);
     $this->assertTrue($this->object->isAuthenticated());
     $this->assertTrue($this->object->logout());
     $this->assertNull($this->object->getUsername());
     $this->assertEquals(ISession::NOT_AUTHENTICATED, $this->object->getResultCode());
 }