remix-project/run.js

const commander = require('commander');
const Web3 = require('web3');
const RemixTests = require('./index.js');
const fs = require('fs');

commander.action(function (filename) {
  let web3 = new Web3();
  web3.setProvider(new web3.providers.HttpProvider('http://localhost:8545'));

  if (fs.lstatSync(filename).isDirectory()) {
    RemixTests.runTestFiles(filename, web3);
  } else {
    RemixTests.runTestFile(filename, web3);
  }
});

if (!process.argv.slice(2).length) {
  console.log("please specify filename");
}

commander.parse(process.argv);