test_runner: add support for mocking setImmediate timer#49397

nodejs-github-bot merged 5 commits intonodejs:mainnodejs/node:mainfrom

ErickWendel:test_runner/add-setImmediate-to-mock-timersErickWendel/node:test_runner/add-setImmediate-to-mock-timersCopy head branch name to clipboard