uploadIDs = append(uploadIDs, res.UploadID)
	}

	// Parts with size greater than 5 MiB.
	// Generating a 6 MiB byte array.
	validPart := bytes.Repeat([]byte("abcdef"), 1*humanize.MiByte)
	validPartMD5 := getMD5Hash(validPart)
	// Create multipart parts.
	// Need parts to be uploaded before CompleteMultiPartUpload can be called tested.
	parts := []struct {
		bucketName      string
		objName         string