When submitting an issue in the @testing-library/react-native repository, without an easy way for us (the maintainers) it's hard to figure out what's going on, so please feel free to fork the repo and use it as a base to reproduce the issue you have.
AugustinLF/repro-rntl
Repo to clone to make a reproduction of a bug with @testing-library/react-native
TypeScript