message: show warnings & errors during test suite by default
diff: @@ -11,3 +11,12 @@ process.on('warning', (warning) => {
  console.warn(warning.stack);
  /* eslint-enable no-console */
  });
  +
  +// Within our test suite, we default to showing warnings and
  +// higher for all loggers.
  +if (!process.env['DEBUG']) {
  + process.env.DEBUG='*';
  +}
  +if (!process.env['DEBUG_LEVEL']) {
  + process.env.DEBUG_LEVEL='warn';
  +}
  