UDB smoke test fails because it can't find python venv activate command

[james-ball-qualcomm]

https://github.com/riscv-software-src/riscv-unified-db/actions/runs/12438684545/job/34731051781?pr=371

[AFOliveira]

I've also been having this issue

[dhower-qc]

Any chance you are mixing docker and singularity? Docker will write files as root, which singularity won't be able to read/write.

What's the output of 'ls -la .home' ?

[james-ball-qualcomm]

This issue happens on the GitHub server, not our local workspaces. So, how could we be mixing docker and singularity?