WITH_RUNTIME
WITH_STDLIB
We are going to deprecate `WITH_RUNTIME` directive. The main reason behind this change is that `WITH_STDLIB` directive better describes its meaning, specifically it will add kotlin stdlib to test's classpath.
aso add test checking (somewhat confusing) semantic of script nested classes.
#KT-46645 fixed #KT-48025 fixed
#KT-46284 Fixed