Function property not handled correctly

[tpluscode]

I have this object I snapshot, which has a function. The snapshot generated does not include the function property but then it fails on subsequent runs

  AssertionError: expected { Object (shapes, focusNodes, ...) } to deeply equal { Object (shapes, focusNodes, ...) }
      + expected - actual

       {
         "focusNodes": {}
         "focusStack": []
         "shapes": []
      -  "shouldEnableEditorChoice": [Function]
       }