test(query-core/queriesObserver): add test for 'getObservers' method#10248

sukvvon wants to merge 2 commits intoTanStack:mainTanStack/query:mainfrom

sukvvon:test/query-core-queriesObserver-getObserverssukvvon/query:test/query-core-queriesObserver-getObserversCopy head branch name to clipboard