Use TMPDIR as data folder to test demo
This reverts c4ab3ed92bf3 because since 6837a618f53d the size required is too much for the default shm_size (300000 bytes) of the runners.
All legacy (hg-git based) Projects have been automatically migrated to native with the upgrade of 2025-01-23
This reverts c4ab3ed92bf3 because since 6837a618f53d the size required is too much for the default shm_size (300000 bytes) of the runners.