public void CheckLogIn_InCorrectValue_LessFieldReturnFalse()
{
List <TextBox> txtList = new List <TextBox>();
TextBox textBox1 = new TextBox();
List <User> userList = new List <User>();
int expected = 0;
txtList.Add(textBox1);
login.CheckLogin(txtList, userList);
Assert.AreEqual(expected, User.getInstance().IdUser);
}