Load testing to flutter app with firebase as backend

Hello everyone,

I hope you are well, you came to me with a request to perform a load test but I have not seen if it is possible and today I come to you I hope you can help me with your opinions.

They ask me to do the load test for an app Made in Flutter and its backend is Firebase, which is a serverless model, so is it viable and/or do you recommend doing load tests with Firebase, which is from Google? If so, have you ever done something similar, any idea how the http requests would go? Or what would you recommend for this load test, some other way or tool, thank you very much in advance to those who collaborate with me with their answers, have a good day or a good night