Mocha: Cannot combine --delay and --watch and --require hook

setup.js

// setup.js
console.log('starting timeout');
setTimeout(function() {
    console.log('timeout triggered, running suite');
    run();
}, 1000);

test__index.js

// test/index.js
describe('foo', function () {
    it('bar', function () {
        console.log('running foo:bar');
    });
});