Two new steps per language: function returning nothing and function returning explicit nil/None. Both tagged $(test)_PASS — they would have failed before the lua nil fix (Lua side reported nil result as error). Python side already worked but is covered for parity.
Validation
This directory contains the necessary material to run the testium validation.
Here is the documentation on how to configure the validation, run it and check that the results are correct.
Tests
TBD