now-cli/lib/test.js

// Native
const { resolve } = require("path");

// Ours
const { npm: getFiles } = require("./get-files");

getFiles(resolve("../mng-test/files-in-package"))
  .then(files => {
    console.log(files);

    getFiles(resolve("../mng-test/files-in-package-ignore"))
      .then(files2 => {
        console.log("ignored: ");
        console.log(files2);
      })
      .catch(err => {
        console.log(err.stack);
      });
  })
  .catch(err => {
    console.log(err.stack);
  });