return func(act kt.Action) (bool, runtime.Object, error) {
		return true, obj, nil
	}
}

const testSigner = "test-signer"

func runTestSigner(t test.Failer) ([]csrctrl.SignerRootCert, kube.CLIClient) {
	c := kube.NewFakeClient()
	signers, err := csrctrl.RunCSRController(testSigner, test.NewStop(t), []kube.Client{c})
	if err != nil {
		t.Fatal(err)
	}
	return signers, c
}

	"k8s.io/client-go/util/certificate/csr"
	capihelper "k8s.io/kubernetes/pkg/apis/certificates/v1"
	"k8s.io/kubernetes/pkg/controller/certificates"
	testingclock "k8s.io/utils/clock/testing"
)

func TestSigner(t *testing.T) {
	fakeClock := testingclock.FakeClock{}

	s, err := newSigner("kubernetes.io/legacy-unknown", "./testdata/ca.crt", "./testdata/ca.key", nil, 1*time.Hour)
	if err != nil {