fix(mam-api): test glob — use find so npm test picks up files at any depth

/bin/sh (which npm uses) doesn't expand ** recursively. Task 1's smoke test
under test/ stopped being discovered once Task 3 added tests under test/auth/.
find + sort keeps depth-agnostic discovery portable across shells.

services/mam-api/package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "start": "node src/index.js",
     "dev": "node --watch src/index.js",
-    "test": "node --test test/**/*.test.js"
+    "test": "node --test $(find test -name '*.test.js' | sort)"
   },
   "dependencies": {
     "express": "^4.18.2",