Function setEnv

packages/engine/src/config.test.ts:8–11

(key: string, value: string)

  const savedEnv = new Map<string, string | undefined>();

  function setEnv(key: string, value: string) {
    savedEnv.set(key, process.env[key]);
    process.env[key] = value;
  }

  beforeEach(() => {
    savedEnv.clear();