Added test cases for make-dir package.

Author: Napalys

javascript/ql/test/query-tests/Security/CWE-022/TaintedPath/make-dir.js

@@ -0,0 +1,11 @@
+import { makeDirectory, makeDirectorySync } from 'make-dir';
+
+const express = require('express');
+const app = express();
+
+app.get('/makedir', (req, res) => {
+    const file = req.query.file; // $ MISSING: Source
+
+    makeDirectory(file); // $ MISSING: Alert
+    makeDirectorySync(file); // $ MISSING: Alert
+});