Quiet: false,
	}
	for i := 0; i < 10; i++ {
		// Obtain http request to upload object.
		// object Name contains a prefix.
		objName := fmt.Sprintf("%d/%s", i, objectName)
		request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objName),
			0, nil, s.accessKey, s.secretKey, s.signer)
		c.Assert(err, nil)

		// execute the http request.
		response, err = s.client.Do(request)

	validPartMD5 := getMD5Hash(validPart)
	// Create multipart parts.
	// Need parts to be uploaded before CompleteMultiPartUpload can be called tested.
	parts := []struct {
		bucketName      string
		objName         string
		uploadID        string
		PartID          int
		inputReaderData string
		inputMd5        string
		inputDataSize   int64
	}{
		// Case 1-4.