// Uploading a new object with Content-Type  "application/json".
	objectName = "test-object.json"
	buffer2 := bytes.NewReader([]byte("hello world"))
	request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objectName),
		int64(buffer2.Len()), buffer2, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)
	// setting the request header to be application/json.

	ReplicationReset = "replication-reset"
	// ReplicationStatus has internal replication status - stringified representation of target's replication status for all replication
	// activity initiated from this cluster
	ReplicationStatus = "replication-status"
	// ReplicationTimestamp - the last time replication was initiated on this cluster for this object version
	ReplicationTimestamp = "replication-timestamp"

				v2.Failed.ErrCounts[k] += v
			}
			if v2.XferStats == nil {
				v2.XferStats = make(map[replication.MetricName]replication.XferStats)
			}
			for rm, x := range v.XferStats {
				x2, ok := v2.XferStats[replication.MetricName(rm)]
				if !ok {
					x2 = replication.XferStats{}
				}
				x2.AvgRate += x.Avg
				x2.CurrRate += x.Curr
				if x.Peak > x2.PeakRate {

	})
	return mg
}

// replication metrics for site replication
func getReplicationSiteMetrics(opts MetricsGroupOpts) *MetricsGroupV2 {
	mg := &MetricsGroupV2{
		cacheInterval:    1 * time.Minute,
		metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(_ context.Context) []MetricV2 {
		ml := []MetricV2{}

		// metrics pertinent to site replication - overall roll up.

		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaStatus] = replication.Replica.String()
		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaTimestamp] = UTCNow().Format(time.RFC3339Nano)
		srcInfo.UserDefined[xhttp.AmzBucketReplicationStatus] = rs
	}

	op := replication.ObjectReplicationType
	if srcInfo.metadataOnly {
		op = replication.MetadataReplicationType
	}

			accessKey:        credentials.AccessKey,
			secretKey:        credentials.SecretKey,
			metadata: map[string]string{
				"Content-Type": "application/json",
			},
			expectedRespStatus: http.StatusOK,
		},

		// Test case - 2.
		// Test case with invalid source object.
		2: {
			bucketName:       bucketName,