public async Task UpsertCalculationDataFieldRelationships()
{
AmendRelationshipRequestModel[] requestModels = NewAmendRelationshipRequestModels(NewAmendRelationshipRequestModel(),
NewAmendRelationshipRequestModel());
await AssertPutRequest("calculations/relationships/datafields",
requestModels,
HttpStatusCode.OK,
() => _client.UpsertCalculationDataFieldRelationships(requestModels));
}