//  1. Fill in the controller with initial data
//  2. Call the tested function (syncClaim/syncVolume) via
//     controllerTest.testCall *once*.
//  3. Compare resulting volumes and claims with expected volumes and claims.
func TestSync(t *testing.T) {
	labels := map[string]string{
		"foo": "true",
		"bar": "false",
	}

	tests := []controllerTest{
		// [Unit test set 1] User did not care which PV they get.