test/integration-test/plugin/MyPlugin2.test.js

import assert from 'assert';

describe('test/plugin/MyPlugin2:', ()=>{
  it('calls handlers', () => {
    return new Promise((resolve, reject) => {
      const callInfo = require('./MyPlugin2').callInfo;
      assert.deepEqual(callInfo.handlerNames, {
        onStart: true,
        onHandleConfig: true,
        onHandleCode: true,
        onHandleCodeParser: true,
        onHandleAST: true,
        onHandleDocs: true,
        onPublish: true,
        onHandleContent: true,
        onComplete: true
      });

      resolve();
    });
  });
});