public void EmailContactWithInValidEmailAddressIsNotValid()
{
// Arrange
EmailContact emailContact = new EmailContact("testexample.com");
// Act
bool isValid = emailContact.IsValid;
// Assert
Assert.IsFalse(isValid);
}
public void EmptyEmailContactIsNotValid()
{
// Arrange
EmailContact emailContact = new EmailContact("");
// Act
bool isValid = emailContact.IsValid;
// Assert
Assert.IsFalse(isValid);
}