chore: fix azure tests failing in CI (#6878)

Fixes a regression introduced by #6099

## Checklist

- [ ] Title matches [Winglang's style guide](https://www.winglang.io/contributing/start-here/pull_requests#how-are-pull-request-titles-formatted)
- [ ] Description explains motivation and solution
- [ ] Tests added (always)
- [ ] Docs updated (only required for features)
- [ ] Added `pr/e2e-full` label if this feature requires end-to-end testing

*By submitting this pull request, I confirm that my contribution is made under the terms of the [Wing Cloud Contribution License](https://github.com/winglang/wing/blob/main/CONTRIBUTION_LICENSE.md)*.

libs/wingsdk/src/core/class-factory.ts

@@ -1,5 +1,6 @@
 import { Construct, IConstruct } from "constructs";
 import { App } from "./app";
+import { NotImplementedError } from "./errors";
 import { Node } from "../std/node";
 
 const CLASS_FACTORY_SYMBOL = Symbol("@winglang/sdk.core.ClassFactory");
@@ -50,7 +51,7 @@ export class ClassFactory {
       return new ctor(scope, id, ...args);
     }
 
-    throw new Error(`Unsupported resource type: ${fqn}`);
+    throw new NotImplementedError(`Unsupported resource type: ${fqn}`);
   }
 
   /**