Test harness doesn't work

[herr-seppia]

Describe the bug Test harness is not working anymore since rusk switched to piecrust

Expected behaviour It should work

Logs/Screenshot Look at latest GH actions

Platform Fill as appropriate

• Architecture: [ARM, 8086]
• OS: [e.g. iOS, Linux]
• Browser [e.g. chrome, safari]

Additional context Maybe it worth to add verbose logs for test-harness (idk how)