Function act

packages/react-devtools-shared/src/__tests__/legacy/editing-test.js:20–24

(callback: Function)

  let store: Store;

  const act = (callback: Function) => {
    callback();

    jest.runAllTimers(); // Flush Bridge operations
  };

  const flushPendingUpdates = () => {
    jest.runOnlyPendingTimers();