t.Fatalf("error decoding YAML: %v", err)
	}

	if err := f.Apply(appliedObj, "fieldmanager_test_apply", false); err != nil {
		t.Fatalf("failed to update object: %v", err)
	}

	if e, a := 1, len(f.ManagedFields()); e != a {
		t.Fatalf("exected %v entries in managedFields, but got %v: %#v", e, a, f.ManagedFields())
	}

	if e, a := "fieldmanager_test_apply", f.ManagedFields()[0].Manager; e != a {

			"labels": {
				"a": "b"
			},
			"creationTimestamp": null,
		}
	}`), &obj.Object); err != nil {
		t.Fatalf("error decoding YAML: %v", err)
	}
	if err := f.Apply(obj.DeepCopyObject(), "fieldmanager_test_apply", false); err != nil {
		t.Fatalf("failed to apply object: %v", err)
	}
	before := f.Live()
	// Wait to make sure the timestamp is different
	time.Sleep(time.Second)