project: enable missing project_core/test-support feature when test-support is enabled (#8471)

This fixes collab's test build failure that @ConradIrwin spotted.


Release Notes:

- N/A
cbdc07dcd0Piotr Osiewicz committed on 2/27/2024, 9:07:40 AM· committed by GitHubparentaf14bc7
1 file changedLine totals unavailable