if err == errConfigNotFound {
			return nil
		}
		if err == nil {
			break
		}
		replLogOnceIf(context.Background(), fmt.Errorf("unable to initialize site replication subsystem: (%w)", err), "site-relication-init")

		duration := max(time.Duration(r.Float64()*float64(time.Minute)),
			// Make sure to sleep at least a second to avoid high CPU ticks.
			time.Second)
		time.Sleep(duration)
	}
	c.RLock()

	// - the object is encrypted using SSE-S3 and the SSE-S3 header is present
	// - the object storage class is not changing
	// then execute a key rotation.
	if cpSrcDstSame && (sseCopyC && sseC) && !chStorageClass {
		oldKey, err = ParseSSECopyCustomerRequest(r.Header, srcInfo.UserDefined)
		if err != nil {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)

}

// TestBucketPolicy - Inserts the bucket policy and verifies it by fetching the policy back.
// Deletes the policy and verifies the deletion by fetching it back.
func (s *TestSuiteCommon) TestBucketPolicy(c *check) {
	// Sample bucket policy.