public async Task UpsertDataDefinitionDatasetRelationship()
        {
            string definitionId = NewRandomString();
            string datasetId    = NewRandomString();

            await AssertPutRequest($"datasetdefinitions/{definitionId}/relationships/datasets/{datasetId}",
                                   HttpStatusCode.OK,
                                   () => _client.UpsertDataDefinitionDatasetRelationship(definitionId, datasetId));
        }