public void DivideByZeroTest()
{
loginPage.LoginToPage(testUserName, testUserPw);
calculatorPage.WaitForTitle();
calculatorPage.ClickButton(random.Next(0, 9));
calculatorPage.SelectOperation(Operation.Divide);
calculatorPage.ClickButton(0);
calculatorPage.ClickButton(Button.Equal);
Assert.IsTrue(calculatorPage.AlertIsPresent());
if (calculatorPage.AlertIsPresent())
{
Assert.AreEqual("Cannot divide by 0", driver.SwitchTo().Alert().Text);
driver.SwitchTo().Alert().Dismiss();
}
}