public void LoginwithoutUsername()
{
utilities.ConsoleMessageStart();
utilities.extenttest = utilities.extent.StartTest("Login without username");
utilities.extenttest.AssignCategory("Login and Logout Tests");
login.NavigateTo();
driver.Manage().Timeouts().ImplicitWait = TimeSpan.FromSeconds(2000);
login.Loginwithoutusername();
IWebElement fielderror = driver.FindElement(By.ClassName("field-validation-error"));
Assert.IsTrue(fielderror.Text.Equals("Please enter username"));
utilities.extenttest.Log(LogStatus.Pass, "Assert pass ");
}