[
  {"note": "Appearance from the Browser targets its body, filters library names, and removal survives OK and can be undone."},
  {"call": "engine.execute", "params": {"command": "solid.box", "params": {"length": 30, "width": 20, "height": 10}}},
  {"call": "engine.execute", "params": {"command": "appearance.assign", "params": {"bodies": ["Body1"], "color": "#abcdef", "appearance": "Tinted glass", "opacity": 0.25}}},
  {"call": "ui.menu", "params": {"x": 300, "y": 300, "target": {"type": "body", "name": "Body1"}}},
  {"call": "ui.menuPick", "params": {"item": "Appearance"}},
  {"expect": {"dialog": "Appearance", "shown": "Remove override"}},
  {"click": {"handle": "appearance:search"}},
  {"text": "no-such-appearance"},
  {"expect": {"shown": "No matching appearances"}},
  {"shot": "appearance_library_search"},
  {"widget": "Remove override"},
  {"widget": "OK"},
  {"expect": {"dialog": null, "query": {"command": "appearance.list", "path": ["bodies"], "value": {}}}},
  {"call": "engine.execute", "params": {"command": "edit.undo", "params": {}}},
  {"expect": {"query": {"command": "appearance.list", "path": ["bodies", "Body1", "opacity"], "value": 0.25}}}
]