opts := ObjectOptions{
			UserDefined: map[string]string{
				xhttp.IfNoneMatch: "*",
			},
			CheckPrecondFn: func(oi ObjectInfo) bool {
				return oi.ETag != ""
			},
		}

		parts := []CompletePart{{PartNumber: 1, ETag: md5Hex}}
		_, err := obj.CompleteMultipartUpload(ctx, bucket, object, res.UploadID, parts, opts)
		if !isErrReadQuorum(err) {
			t.Errorf("Expected read quorum error, got: %v", err)
		}
	})