Example script from README doesn't work?

[mjhm]

This script below should result in an exception being caught by the FileNotFoundError predicate. Right?

Instead I'm seeing

Unhandled rejection Error: ENOENT: no such file or directory, open 'blah.txt'
    at Error (native)

#!/usr/bin/env node

var Promise = require('bluebird');
require('core-error-predicates').globalize();

var fs = Promise.promisifyAll(require('fs'));

fs.readFileAsync("blah.txt", "utf8").then(function(contents) {
    console.log("file contents:", contents);
})
.catch(FileNotFoundError, function(e) {
    console.log("file blah.txt does not exist");
})
.catch(FileAccessError, function(e) {
    console.log("no permissions to access blah.txt");
});