add e2e test for reflection API (#549)

Add a test that checks the responses from the reflection API.

Describe the test in a YAML file so it can be used by other languages.

Author: jba

package.json

@@ -35,7 +35,8 @@
     "prettier": "^3.2.5",
     "prettier-plugin-css-order": "2.0.1",
     "prettier-plugin-organize-imports": "^3.2.4",
-    "ts-node": "^10.9.2"
+    "ts-node": "^10.9.2",
+    "tsx": "^4.7.1"
   },
   "packageManager": "[email protected]+sha256.dbdf5961c32909fb030595a9daa1dae720162e658609a8f92f2fa99835510ca5"
 }