simplify node glob

Author: NullVoxPopuli

smoke-tests/node-template/package.json

@@ -4,7 +4,7 @@
   "private": true,
   "description": "Node-focused smoke test template for ember-source",
   "scripts": {
-    "test:node": "node --import ./tests/node/helpers/register-loader.mjs --test tests/node/**/*.test.mjs"
+    "test:node": "node --import ./tests/node/helpers/register-loader.mjs --test tests/node/*.test.mjs"
   },
   "dependencies": {
     "simple-dom": "^1.4.0",