public void SignInValidation(bool isPositive, string email, string password) { Header header = new Header(driver); SignInPage signInPage = header.ClickOnSignIn(); bool isDataOk = signInPage.EnterData(email).IsDataOk(password); Assert.That(isDataOk, Is.EqualTo(isPositive), $"Email was validated {(isDataOk ? "successfully" : "unseccessfully")} " + "but we expected opposite"); }