it('scheduling inside of an executing action more than once should work', (done) => {
    const results: any[] = [];

    asapScheduler.schedule(() => {
      results.push(1)
      asapScheduler.schedule(() => results.push(2));
      asapScheduler.schedule(() => results.push(3));
    });

    setTimeout(() => {
      // This should always fire after two recursively scheduled microtasks.
      expect(results).to.deep.equal([1, 2, 3]);
      done() 
    })
  })