text: import 'ses';
  import fs from 'fs';
  import test from 'ava';
  import url from 'url';
  import { importLocation } from '@endo/compartment-mapper';
  import { makeReadPowers } from '@endo/compartment-mapper/node-powers.js';
  
  const readPowers = makeReadPowers({ fs, url });
  const entry = new URL('../src/index.js', import.meta.url).toString();
  
  test('endo can import nat', async t => {
    const {
      namespace: { isNat },
    } = await importLocation(readPowers, entry);
    t.assert(isNat(0n));
  });
  