public void Login(string un, string pw)
 {
     UserNameField.Set(un);
     UserNameField.Clear();
     UserNameField.GetText();
     PassWordField.Set(pw);
     SubmitButton.Click();
 }
 public void Login()
 {
     UserNameField.Set("username");
     UserNameField.Clear();
     UserNameField.GetText();
     PassWordField.Set("password");
     SubmitButton.Click();
 }