for i := 0; i < 10*1024; i++ {
		buffer.WriteString(fmt.Sprintf("[%05d] %s\n", i, line))
	}

	putContent := buffer.String()
	buf := bytes.NewReader([]byte(putContent))

	objectName := "test-big-10Mb-file"
	// HTTP request to upload the object.
	request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objectName),
		int64(buf.Len()), buf, s.accessKey, s.secretKey, s.signer)