failing import of 'tap' under SES-0.7.3

import-tap.js

import tap from 'tap';

install-ses.js

import { lockdown } from 'ses';
lockdown({ noTameError: true });
console.log('did lockdown()');

main.js

import './install-ses.js';
import './import-tap.js';
console.log('success');

package.json

{
  "dependencies": {
    "ses": "^0.7.3"
  },
  "devDependencies": {
    "esm": "^3.2.25",
    "tap": "^14.10.6"
  }
}