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.
$suspendImpl
The visibility was the cause of KT-44533; not generating `$suspendImpl` at all makes `super` calls impossible. ^KT-49106 Fixed