added inline tests, move to experimental dir

javascript/ql/test/experimental/Execa/PathInjection/tests.js

@@ -0,0 +1,19 @@
+import { execa, $ } from 'execa';
+import http from 'node:http'
+import url from 'url'
+
+http.createServer(async function (req, res) {
+    let filePath = url.parse(req.url, true).query["filePath"][0];
+
+    // Piping to stdin from a file
+    await $({ inputFile: filePath })`cat` // test: PathInjection
+
+    // Piping to stdin from a file
+    await execa('cat', { inputFile: filePath }); // test: PathInjection
+
+    // Piping Stdout to file
+    await execa('echo', ['example3']).pipeStdout(filePath); // test: PathInjection
+
+    // Piping all of command output to file
+    await execa('echo', ['example4'], { all: true }).pipeAll(filePath); // test: PathInjection
+});