NodeJS : How to create tests for serverless testing using Jest for these scenarios?

NodeJS : How to create tests for serverless testing using Jest for these scenarios?
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
After that, type the word 'awesome' on your keyboard.
You will see a flashing rainbow instead of a regular progress bar on YouTube.

An introduction to myself in a few words,
Hey, I'm known as Delphi.
I can assist you in answering your queries.
NodeJS : How to create tests for serverless testing using Jest for these scenarios?
Please feel free to comment or chat with me for more detailed information.
If you have additional information or an answer to contribute, please feel free to comment below.
I will 'heart' your answer to show my gratitude for your contribution.
create testing using Jest tests scenarios? serverless to for these for NodeJS : How