public void GetIdentifierHashCode_ReturnsHashCodeOfPatientID()
{
// Arrange
var birthNumber = new BirthNumber("9107256444");
var patient = new PatientInfo
{
PatientID = birthNumber
};
// Act
int hashCode = patient.GetIdentifierHashCode();
// Assert
Assert.That(hashCode, Is.EqualTo(birthNumber.GetHashCode()));
}