t.Helper()
	if err := mc.UpdateMeshConfig(ctx, update, cleanupStrategy); err != nil {
		t.Fatal(err)
	}
}

func (mc *meshConfig) PatchMeshConfig(t resource.Context, patch string) error {
	return mc.UpdateMeshConfig(t, func(mc *meshconfig.MeshConfig) error {
		return protomarshal.ApplyYAML(patch, mc)
	}, cleanup.Always)
}

	ValuesOrFail(test.Failer) OperatorValues
	// MeshConfig used by the Istio installation.
	MeshConfig() (*meshconfig.MeshConfig, error)
	MeshConfigOrFail(test.Failer) *meshconfig.MeshConfig
	// UpdateMeshConfig used by the Istio installation.
	UpdateMeshConfig(resource.Context, func(*meshconfig.MeshConfig) error, cleanup.Strategy) error
	UpdateMeshConfigOrFail(resource.Context, test.Failer, func(*meshconfig.MeshConfig) error, cleanup.Strategy)

		return err
	}

	providerNames := sets.New[string]()
	for _, p := range newMC.GetExtensionProviders() {
		providerNames.Insert(p.Name)
	}

	return ist.UpdateMeshConfig(ctx,
		func(mc *meshconfig.MeshConfig) error {
			newProviders := []*meshconfig.MeshConfig_ExtensionProvider{}
			// Merge the extension providers.
			// If we are overwriting an existing one, keep the new one.

		DefaultAddress: "10.0.0.1",
		Ports: model.PortList{
			&model.Port{
				Name:     "tcp-port",
				Port:     8083,
				Protocol: protocol.TCP,
			},
		},
	}

	updateMeshConfig := func(
		meshConfig *meshconfig.MeshConfig,
		expectedSvcList []*model.Service,
		expectedNumSvcEvents int,
		testMeshWatcher *mesh.TestWatcher,
		fx *xdsfake.Updater,
		controller *FakeController,