t.Fatalf("unable initialize config file, %s", err)
	}

	initAllSubsystems(ctx)

	initConfigSubsystem(ctx, objLayer)

	creds, err := auth.CreateCredentials("myuser", "mypassword")
	if err != nil {
		t.Fatalf("unable create credential, %s", err)
	}

	globalActiveCred = creds

	globalIAMSys.Init(ctx, objLayer, globalEtcdClient, 2*time.Second)

	}

	_, _, s3Err = checkKeyValid(req, "does-not-exist")
	if s3Err != ErrInvalidAccessKeyID {
		t.Fatalf("Expected error 'ErrInvalidAccessKeyID', found %v", s3Err)
	}

	ucreds, err := auth.CreateCredentials("myuser1", "mypassword1")
	if err != nil {
		t.Fatalf("unable create credential, %s", err)
	}

	_, err = globalIAMSys.CreateUser(ctx, ucreds.AccessKey, madmin.AddOrUpdateUserReq{
		SecretKey: ucreds.SecretKey,

		user, password = globalServerCtxt.RootUser, globalServerCtxt.RootPwd
	}
	if user == "" || password == "" {
		return auth.Credentials{}
	}
	cred, err := auth.CreateCredentials(user, password)
	if err != nil {
		if legacyCredentials {
			logger.Fatal(config.ErrInvalidCredentials(err),
				"Unable to validate credentials inherited from the shell environment")
		} else {