chore(azurite): exclude test utils from package build

Author: cristianrgreco

AGENTS.md

@@ -12,6 +12,7 @@ It captures practical rules that prevent avoidable CI and PR churn.
 - If new learnings or misunderstandings are discovered, propose an `AGENTS.md` update in the same PR.
 - Tests should verify observable behavior changes, not only internal/config state.
   - Example: for a security option, assert a real secure/insecure behavior difference.
+- Test-only helper files under `src` (for example `*-test-utils.ts`) must be explicitly excluded from package `tsconfig.build.json` so they are not emitted into `build` and accidentally published.
 
 ## Permission and Escalation
 

packages/modules/azurite/tsconfig.build.json

@@ -2,11 +2,12 @@
   "extends": "./tsconfig.json",
   "exclude": [
     "build",
-    "src/**/*.test.ts"
+    "src/**/*.test.ts",
+    "src/azurite-test-utils.ts"
   ],
   "references": [
     {
       "path": "../../testcontainers"
     }
   ]
-}
+}