global.process = { __proto__: process, pid: 123456 } Date.now = function () { return 1459875739796 } require('os').hostname = function () { return 'abcdefghijklmnopqr' } const pino = require(require.resolve('./../../')) const asyncLogger = pino(pino.destination({ minLength: 4096, sync: false })) pino.final(asyncLogger, (_, logger) => logger.info('h'))()