Query#updateOne() error handling middleware called twice

[vkarpov15]

const assert = require('assert');
const mongoose = require('mongoose');
mongoose.set('debug', true);

const GITHUB_ISSUE = `X`;
const connectionString = `mongodb://localhost:27017/${ GITHUB_ISSUE }`;
const { Schema } = mongoose;

run().then(() => console.log('done')).catch(error => console.error(error.stack));

async function run() {
  await mongoose.connect(connectionString);
  await mongoose.connection.dropDatabase();

  const schema = new Schema({ test: Number });
  // RegExp syntax new in Mongoose 5.3
  schema.post(/.*/, function(error, res, next) {
    console.log('Error middleware:', error.message);
    next();
  });

  const Test = mongoose.model('Test', schema);

  await Test.updateOne({}, { test: 'bar' });
}