You also need to make sure to have at least 1 or 2 tests per instance where this function would be called remotely where you don't mock this function in remote

You also need to make sure to have at least 1 or 2 tests per instance where this function would be called remotely where you don't mock this function in remote calls, to make sure that the data types of the function aren't ignored, because the mock, since it doesn't have types either, might tolerate inputs to the function you didn't intend or have behavior you didn't intend if you refactor a type change.