Fix wrong expect in iresearch link metrics test (#15464)
Fix wrong expect in iresearch link metrics test (#15464)

Co-authored-by: MBkkt <9d9927dc946140c2f5e16da5f708cc7fe02e4965@users.noreply.github.com>
arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,arangodb/arangodb