PostgreSQL and Real Application Testing (RAT)

Hi

In my business, one of the things blocking the migration from Oracle to PostgreSQL is not having the equivalent of Oracle Real Application Testing .
This product captures a charge in production and replay it in a test environment.
this allows to know the impacts of a migration to a newer version, the creation of an index..
is there an equivalent in the PostgreSQL community?
if not, do you think it's technically possible to do it ?
who would be interested in this project ?

Thanks in advance
Best Regards

Didier ROS
EDF