meta,
    args = {
        "videotestsrc ! capsfilter name=cf ! fakesink",
    },
    overrides = {
        [change-severity, issue-id=runtime::not-negotiated, new-severity=warning],
        [change-severity, issue-id=scenario::not-ended, new-severity=warning],
    }

set-properties, cf::caps="audio/x-raw"

wait, message-type=error

set-state, state=null