These are currently skipped, because pycapnp isn't installed (https://github.com/bitcoin/bitcoin/actions/runs/26943765833/job/79499532298#step:10:4286):
interface_ipc.py | ○ Skipped | 0 s
interface_ipc_mining.py | ○ Skipped | 0 s
They seem to work fine locally. Not sure if this was missed, or on purpose.