kubernetes/staging/src/k8s.io/client-go/kubernetes_test/fake_client_test.go

// This test proves that the kube fake client does not return GVKs.  This is consistent with actual client (see tests below)
// and should not be changed unless the decoding behavior and somehow literal creation (`&corev1.ConfigMap{}`) behavior change.
func Test_ConfigMapFakeClient(t *testing.T) { … }

// This test checks decoding behavior for the actual client to ensure the fake client (tested above) is consistent.
func TestGetDecoding(t *testing.T) { … }

// This test checks decoding behavior for the actual client to ensure the fake client (tested above) is consistent.
func TestListDecoding(t *testing.T) { … }