Members:  []string{accessKey},
		IsRemove: true,
	})
	if err != nil {
		c.Fatalf("group update err: %v", err)
	}
	c.mustNotListObjects(ctx, uClient, bucket)

	// 7.1 verify group still exists
	groupInfo, err = s.adm.GetGroupDescription(ctx, group)
	if err != nil {
		c.Fatalf("group desc err: %v", err)
	}
	c.Assert(groupInfo.Name, group)
	c.Assert(len(groupInfo.Members), 0)