if err != nil {
			// Failed to create NewMultipartUpload, abort.
			t.Fatalf("MinIO %s : <ERROR>  %s", instanceType, err)
		}

		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.