t.Run(fmt.Sprintf("compare version %s->%s", tc.a, tc.b), func(t *testing.T) {
			r := tc.a.Compare(tc.b)
			if r != tc.result {
				t.Errorf("expected %d, got %d", tc.result, r)
			}
		})
	}
}

func TestMinimumIstioVersion(t *testing.T) {
	tcs := []struct {
		name     string
		versions IstioVersions
		result   IstioVersion
	}{
		{
			"two versions",
			IstioVersions([]IstioVersion{
				"1.4", "1.5",
			}),