TagSet: &ObjectTagSet{},
	}

	var list []tags.Tag
	for k, v := range ot.ToMap() {
		list = append(list, tags.Tag{
			Key:   k,
			Value: v,
		})
	}
	// Always return in sorted order for tags.
	sort.Slice(list, func(i, j int) bool {
		return list[i].Key < list[j].Key
	})
	otags.TagSet.Tags = list

	writeSuccessResponseXML(w, encodeResponse(otags))
}

				toAPIError(ctx, InvalidPart{}),
				getGetObjectURL("", bucketName, objectName), "", "")),
			expectedRespStatus: http.StatusBadRequest,
		},
		// Test case - 6.
		// Parts are not sorted according to the part number.
		// This should return ErrInvalidPartOrder in the response body.
		{
			bucket:    bucketName,
			object:    objectName,
			uploadID:  uploadIDs[0],