refactor: correct tsconfig.json extends path

Correct the path.

Author: alan-agius4

tests/tsconfig.json

@@ -1,5 +1,5 @@
 {
-  "extends": "../../tsconfig-test.json",
+  "extends": "../tsconfig-test.json",
   "compilerOptions": { "paths": {} },
   "exclude": ["e2e/assets/**"]
 }