internal static BiologicalSample CreateBiologicalSample(IBaseSpaceClient client, string sampleId=null, string sampleName=null, string nucleicAcid=null) { var sample = string.Format("sample_SDK_Test_{0}", StringHelpers.RandomAlphanumericString(5)); var biologicalSample = client.CreateBiologicalSample(new CreateBiologicalSampleRequest(sampleId ?? sample, sampleName ?? sample, nucleicAcid ?? "DNA")); Assert.NotNull(biologicalSample.Response); return biologicalSample.Response; }