test: add test case for process.dlopen with undefined

PR-URL: https://github.com/nodejs/node/pull/17343
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>

test/parallel/test-process-dlopen-undefined-exports.js

@@ -0,0 +1,10 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+const someBindingPath = './test/addons/hello-world/build/Release/binding.node';
+
+assert.throws(() => {
+  process.dlopen({ exports: undefined }, someBindingPath);
+}, Error);