fix assertion (#132)
fix assertion (#132)

* fix assertion

```
  ● API integration › assembly notification › should replay the notification when requested

    expect(received).toBe(expected) // Object.is equality

    Expected: "successful"
    Received: "processing"

      624 |         const result = await client.getAssembly(assemblyId)
      625 | 
    > 626 |         expect(result.notify_status).toBe('successful')
          |                                      ^
      627 |         expect(result.notify_response_code).toBe(200)
      628 | 
      629 |         if (secondNotification) {

      at onNotification (test/integration/__tests__/live-api.js:626:38)
```

https://github.com/transloadit/node-sdk/runs/5437493315?check_suite_focus=true

* Update live-api.js
transloadit/node-sdk,transloadit/node-sdk