c.mustListObjects(ctx, uClient, bucket)

	// 6. Verify that group cannot be deleted with users.
	err = s.adm.UpdateGroupMembers(ctx, madmin.GroupAddRemove{
		Group:    group,
		IsRemove: true,
	})
	if err == nil {
		c.Fatalf("group was removed!")
	}
	groupInfo, err = s.adm.GetGroupDescription(ctx, group)
	if err != nil {
		c.Fatalf("group desc err: %v", err)
	}

		if member == globalActiveCred.AccessKey {
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errIAMActionNotAllowed), r.URL)
			return
		}
	}

	var updatedAt time.Time
	if updReq.IsRemove {
		updatedAt, err = globalIAMSys.RemoveUsersFromGroup(ctx, updReq.Group, updReq.Members)
	} else {
		// Check if group already exists
		if _, gerr := globalIAMSys.GetGroupDescription(updReq.Group); gerr != nil {