public void Given_employee_When_AddEmergencyContacts_Then_employee_properties_should_be_correct()
{
//Given
var employee = new Employee();
var contacts = new List<EmployeeEmergencyContactDetail>() { new EmployeeEmergencyContactDetail(), new EmployeeEmergencyContactDetail() };
//When
employee.AddEmergencyContacts(contacts);
//Then
Assert.That(employee.EmergencyContactDetails.Count, Is.EqualTo(contacts.Count));
}