Raw: []byte(`{"f:metadata":{"f:labels":{"f:another_field":{}}}}`),
			},
		},
	})

	// Check that managed fields cannot be changed explicitly via subresources
	expectedManager := "fieldmanager_test_subresource"
	if err := f.Update(obj, expectedManager); err != nil {
		t.Fatalf("failed to apply object: %v", err)
	}

	managedFields := f.ManagedFields()
	if len(managedFields) != 1 {