return new Promise((resolve, reject) => {
   chdir(join(homedir(), "ledeConfig"));
   const installer = spawn("npm", ["install"], { cwd: join(homedir(), "ledeConfig")});
   installer.stdout.pipe(process.stdout);
   installer.stderr.pipe(process.stderr);
   installer.on("exit", resolve);
 });

        it('should spawn a Python process even if scriptPath option is not specified', function (done) {
            let originalDirectory = cwd()
            PythonShell.defaultOptions = {};
            chdir(join(__dirname, "python"));

            let pyshell = new PythonShell('exit-code.py');
            pyshell.command.should.eql(['exit-code.py']);
            pyshell.terminated.should.be.false;
            pyshell.end(function (err) {
                if (err) return done(err);
                pyshell.terminated.should.be.true;
                done();
            });

            //reset values to intial status
            PythonShell.defaultOptions = {
                scriptPath: pythonFolder
            };
            chdir(originalDirectory)
        });

PATHS.forEach(function (route) {
  // Changes current directory to ./dist/browser
  chdir(BROWSER_FOLDER);

  // Creates new directories (if not exists) and changes current directory for the nested one
  route.split('/').filter(val => val !== '')
    .forEach(function (dir) {
      if (!existsSync(dir)) {
        mkdirSync(dir);
      }
      chdir(dir);
    });

  // Writes rendered HTML to index.html, replacing the file if it already exists.
  prom = prom.then(_ => renderModuleFactory(AppServerModuleNgFactory, {
    document: index,
    url: route,
    extraProviders: [
      provideModuleMap(LAZY_MODULE_MAP)
    ]
  })).then(html => writeFileSync(join(BROWSER_FOLDER, route, 'index.html'), html));
});

 .forEach(function (dir) {
   if (!existsSync(dir)) {
     mkdirSync(dir);
   }
   chdir(dir);
 });