Abusing tape reporting stream to provide post-test cleanup

package.json

{
  "name": "test",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "tape test*.js"
  },
  "author": "",
  "license": "ISC"
}

test1.js

var test = require("tape");

var ts = test.createStream();
ts.pipe(process.stdout);

ts.on("end", function() {
  console.log("Bye!");
});

test(function(t) {
  t.pass();
  t.end();
});

test2.js

var test = require("tape");

test(function(t) {
  t.pass();
  t.end();
});