public void AuthorizedTest(bool isPositive, string email, string password)
{
bool isSignInOk = _header.ClickToSignIn().EnterMail(email).EnterPassword(password).IsUserAuthorized();
Assert.That(isSignInOk, Is.EqualTo(isPositive), $"Sign in was {(isSignInOk ? "successfully" : "unsuccessfully")}"
+ " but were expected opposite");
}