test: add known issue test for path parse issue nodejs#6229

Refs: nodejs#6229

test/known_issues/test-path-parse.js

@@ -0,0 +1,18 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+const path = require('path');
+
+// Issue: https://github.com/nodejs/node/issues/6229
+// The path `/foo/bar` is not the same path as `/foo/bar/`
+const parsed1 = path.parse('/foo/bar');
+const parsed2 = path.parse('/foo/bar/');
+
+assert.notDeepStrictEqual(parsed1, parsed2);
+
+// parsed1 *should* equal:
+// {root: '/', dir: '/foo', base: 'bar', ext: '', name: 'bar'}
+//
+// parsed2 *should* equal:
+// {root: '/', dir: '/foo/bar', base: '', ext: '', name: ''}