test/message/internal_assert_fail.out

internal/assert.js:*
  throw new ERR_INTERNAL_ASSERTION(message);
  ^

Error [ERR_INTERNAL_ASSERTION]: Unreachable!
This is caused by either a bug in Node.js or incorrect usage of Node.js internals.
Please open an issue with this stack trace at https://github.com/nodejs/node/issues

    at Function.fail (internal/assert.js:*:*)
    at * (*test*message*internal_assert_fail.js:7:8)
    at *
    at *
    at *
    at *
    at *
    at * {
  code: 'ERR_INTERNAL_ASSERTION'
}