public function testMessageToSession()
 {
     $this->_ntf->messageToSession('Message test');
     $this->_ntf = new NotificationManager();
     $data = $this->_ntf->data;
     $this->assertCount(1, $data);
     $this->assertInstanceOf(Notification::class, $data[0]);
     $this->assertEquals('Тест сообщения', $data[0]->message);
     $this->assertEquals(Notification::MESSAGE, $data[0]->type);
 }