Update test/storage/store.test.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: yvonneyx

test/storage/store.test.ts

@@ -73,8 +73,11 @@ describe('Store', () => {
 
     it('should reject writes in read-only mode', () => {
       const readOnlyStore = new Store(testDir, embedder, { readOnly: true });
-      expect(() => readOnlyStore.addDoc('test-lib', [])).toThrow(/read-only mode/);
-      readOnlyStore.close();
+      try {
+        expect(() => readOnlyStore.addDoc('test-lib', [])).toThrow(/read-only mode/);
+      } finally {
+        readOnlyStore.close();
+      }
     });
   });