public function testIsChatType()
{
$chat = TestHelpers::getFakeChatObject();
self::assertTrue($chat->isPrivateChat());
$chat = TestHelpers::getFakeChatObject(['id' => -123, 'type' => null]);
self::assertTrue($chat->isGroupChat());
$chat = TestHelpers::getFakeChatObject(['id' => -123, 'type' => 'supergroup']);
self::assertTrue($chat->isSuperGroup());
$chat = TestHelpers::getFakeChatObject(['id' => -123, 'type' => 'channel']);
self::assertTrue($chat->isChannel());
}