// causes the named policy to be deleted.
func (c *SiteReplicationSys) PeerAddPolicyHandler(ctx context.Context, policyName string, p *policy.Policy, updatedAt time.Time) error {
	var err error
	// skip overwrite of local update if peer sent stale info
	if !updatedAt.IsZero() {
		if p, err := globalIAMSys.store.GetPolicyDoc(policyName); err == nil && p.UpdateDate.After(updatedAt) {
			return nil
		}
	}
	if p == nil {

	if err != nil {
		c.Fatalf("list users should not fail: %v", err)
	}
	if len(usersList) != 1 {
		c.Fatalf("expected user listing output: %v", usersList)
	}
	uinfo := usersList[userDN]
	if uinfo.PolicyName != policy || uinfo.Status != madmin.AccountEnabled {
		c.Fatalf("expected user listing content: %v", uinfo)
	}

	// Validate that the client from sts creds can access the bucket.