return nil
	}
	if dur%time.Millisecond != 0 {
		return errors.New("only durations to ms precision are supported")
	}

	return nil
}

// ValidateLocalityLbSetting checks the LocalityLbSetting of MeshConfig
func ValidateLocalityLbSetting(lb *networking.LocalityLoadBalancerSetting, outlier *networking.OutlierDetection) (errs Validation) {
	if lb == nil {
		return
	}

		},
	}

	for _, c := range cases {
		v := ValidateLocalityLbSetting(c.in, c.outlier)
		warn, err := v.Unwrap()
		if (err != nil) != c.err {
			t.Errorf("ValidateLocalityLbSetting failed on %v: got err=%v but wanted err=%v: %v",
				c.name, err != nil, c.err, err)
		}
		if (warn != nil) != c.warn {
			t.Errorf("ValidateLocalityLbSetting failed on %v: got warn=%v but wanted warn=%v: %v",