Description
We have to continuously push for quality, thus we always need to improve our testing and test coverage. Any improvement of testing is a great contribution to jina.

If you have no idea how to get started on this, here there are some ideas that could be good to have.

• Increase coverage
  Checking the reports on `https://codecov.io/gh/jina-ai/jin

λ npx prisma generate
Environment variables loaded from .env
Prisma schema loaded from prisma\schema.prisma

✔ Generated Prisma Client (2.25.0) to .\prisma\foo in 738ms
You can now start using Prisma Client in your code. Reference: https://pris.ly/d/client
```
import { PrismaClient } from './prisma\foo'
const prisma = new PrismaClient()
```

Note the ./prisma\foo. The path

I don't have a certificate myself but I testet your solution with an demo code and it works like a charme.

But I think it is a bit complicated to have to convert the image of the qr-code into pdf before you can use it.

I've looked a bit into the code, but I'm not really an expert with js, but it looks like the pdf is rendered and then processed as image, so i think it should be possible to use i

Current Behaviour

The flamegraph sorts the siblings in ascending order by frame's name.
The reference to code is here

Expected Behaviour

The siblings should appear in order of their start time.
This can be achieved according to library docs mentioned [here](https://github.com/spiermar/d3-fla