public void CorrectErrorMessageIsDisplayed_When_RegisteringWithInvalidFirstName() { //----------Arrange---------- _user.FirstName = _generator.GenerateRandomStringName(SignUpPage.NAME_MIN_LENGTH) + _generator.GenerateRandomStringNumber(1); List <Enum> expectedError = new List <Enum> { SignUpPage.Errors.invalidFirstName }; _expectedErrorMessage = _signUpPage.GetExpectedErrorMessages(expectedError)[0]; //----------Act---------- _signUpPage.EnterAccountData(_user); _signUpPage.SubmitAccountData(); //----------Assert---------- _signUpPage.AssertErrorMessageIsDisplayed(_expectedErrorMessage); }