Function notify

packages/pg-native/test/notify.js:4–9

(channel, payload)

const ok = require('okay')

const notify = function (channel, payload) {
  const client = new Client()
  client.connectSync()
  client.querySync('NOTIFY ' + channel + ", '" + payload + "'")
  client.end()
}

describe('simple LISTEN/NOTIFY', function () {
  before(function (done) {