How can Mocha test async code with Async.waterfall?

Question

JavaScript

Hello
There is such a test, how to synchronize it, given what it Async.waterfallreturns undefined?
https://pastebin.com/brgwK0Pb

Answer 1

Changed the async library, after which everything worked.

Answer 2

The node has a table for years as there is async / await, and they are also in the urine:

it('foo', async () => {
   await 
   await 
})