public void RegisterUser(string firstName, string lastName, string nickName, string phone, string country, string city, string ulica, int gender)
{
FirstName.SendKeys(firstName + TestData_String);
LastName.SendKeys(lastName + TestData_String);
NickName.SendKeys(nickName);
Email.SendKeys(TestData_Email);
Phone.SendKeys(phone);
Country.SelectByText(country);
City.SelectByText(city);
Ulica.SendKeys(ulica);
Gender(gender);
News.Click();
Promotion.Click();
RegisterButton.Click();
}