chore: various test related changes (#2069)

* fix: backend tests breaking with permision

* test: cleanup running tests

* chore: config.d.ts

src/backend/src/config.d.ts

@@ -0,0 +1,15 @@
+import { RecursiveRecord } from "./services/MeteringService/types";
+
+type ConfigRecord = RecursiveRecord<any>;
+
+export interface IConfig extends ConfigRecord {
+    load_config: (o: ConfigRecord) => void;
+    __set_config_object__: (
+        object: ConfigRecord,
+        options?: { replacePrototype?: boolean; useInitialPrototype?: boolean }
+    ) => void;
+}
+
+declare const config: IConfig;
+
+export = config;