public override void Given()
 {
     _expectedApiResult = null;
     OrdnanceSurveyApiClient.GetAddressesByPostcodeAsync(Postcode).Returns(_expectedApiResult);
 }
 public override void Given()
 {
     _expectedApiResult = null;
     OrdnanceSurveyApiClient.GetAddressByUprnAsync(Uprn).Returns(_expectedApiResult);
 }