hunk.code_window: })
   test("decorate should work with plain object", function() {
       const box = {
           uninitialized: undefined,
           height: 20,
           sizes: [2],
           someFunc: function() {
  
hunk.labels: keep keep keep add keep keep keep keep
hunk.after_edit:         /** @type {boolean | undefined} */
  
hunk.file_path: test/base/decorate.js
hunk.type: add
file: // Jest Snapshot v1, https://goo.gl/fbAQLP
  
  exports[`spy 1 1`] = `
  Array [
    Object {
      "name": "ObservableValue@9",
      "newValue": 4,
      "oldValue": 3,
      "spyReportStart": true,
      "type": "update",
    },
    Object {
      "name": "ComputedValue@11",
      "type": "compute",
    },
    Object {
      "name": "Autorun@12",
      "spyReportStart": true,
      "type": "reaction",
    },
    Object {
      "spyReportEnd": true,
    },
    Object {
      "spyReportEnd": true,
    },
  ]
  `;
  