public void FieldValidationErrorMessages()
{
HomePage homePage = new HomePage(driver);
ContactPage contactPage = homePage.clickContactLink();
contactPage.SetEmailField("xxx");
contactPage.SetPhoneField("xxxx");
contactPage.SetMessageField("");
contactPage.ClickSubmit();
Assert.AreEqual("Email is invalid", contactPage.GetEmailError(), "Email format error did not display correctly");
}