test: add new `startNewREPLSever` testing utility#59964

dario-piotrowicz wants to merge 1 commit intonodejs:mainnodejs/node:mainfrom

dario-piotrowicz:dario/test/common/startNewREPLServerdario-piotrowicz/node:dario/test/common/startNewREPLServerCopy head branch name to clipboard