public async Task <bool> IsAvailable(RegistrationNumber registrationNumber)
{
var unavailableRegistrationNumbers = await Get();
return(!unavailableRegistrationNumbers.Any(rn => rn.ToString() == registrationNumber.ToString()));
}
public void ToString_ShouldReturnFullRegistrationNumber_When_RegistrationNumber_Is_Correct()
{
var sut = new RegistrationNumber(CorrectRegistrationNumber);
Assert.AreEqual(CorrectRegistrationNumber, sut.ToString());
}
