Update src/core/__tests__/labelManager.test.ts

Co-authored-by: Copilot <[email protected]>

Author: DiogoRibeiro7

src/core/__tests__/labelManager.test.ts

@@ -55,7 +55,3 @@ describe('ensureLabelExists', () => {
     });
   });
 });
-function beforeEach(callback: () => void) {
-    callback();
-}
-