text: const { test } = require("tap");
  const proxyquire = require("proxyquire");
  
  test("clustering is disabled if cluster is not present", t => {
    const log4js = proxyquire("../../lib/log4js", { cluster: null });
    const recorder = require("../../lib/appenders/recording");
    log4js.configure({
      appenders: { vcr: { type: "recording" } },
      categories: { default: { appenders: ["vcr"], level: "debug" } }
    });
    log4js.getLogger().info("it should still work");
    const events = recorder.replay();
    t.equal(events[0].data[0], "it should still work");
    t.end();
  });
  