We recently re-introduced the CI tests for Windows and MacOS again (see #1121),

By doing so we now have somewhat consistently failings tests for OPCUA on MacOS.
see for example https://github.com/eclipse-thingweb/node-wot/actions/runs/6625217554/job/17995749117?pr=1137#step:6:416

@erossignon do you have an idea what might causing these problems?