Update frontends/nextjs/src/hooks/data/__tests__/useKV.validation.test.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

frontends/nextjs/src/hooks/data/__tests__/useKV.validation.test.ts

@@ -5,27 +5,23 @@ import { useKV } from '@/hooks/data/useKV'
 const STORAGE_PREFIX = 'mb_kv:'
 let store: Record<string, string>
 
-const setupLocalStorage = (): void => {
-  store = {}
-  vi.stubGlobal('localStorage', {
-    getItem: vi.fn((key: string) => store[key] ?? null),
-    setItem: vi.fn((key: string, value: string) => {
-      store[key] = value
-    }),
-    removeItem: vi.fn((key: string) => {
-      delete store[key]
-    }),
-    clear: vi.fn(() => {
-      Object.keys(store).forEach(k => delete store[k])
-    }),
-    length: 0,
-    key: vi.fn(() => null),
-  })
-}
-
 describe('useKV validation', () => {
   beforeEach(() => {
-    setupLocalStorage()
+    store = {}
+    vi.stubGlobal('localStorage', {
+      getItem: vi.fn((key: string) => store[key] ?? null),
+      setItem: vi.fn((key: string, value: string) => {
+        store[key] = value
+      }),
+      removeItem: vi.fn((key: string) => {
+        delete store[key]
+      }),
+      clear: vi.fn(() => {
+        Object.keys(store).forEach(k => delete store[k])
+      }),
+      length: 0,
+      key: vi.fn(() => null),
+    })
   })
 
   it.each([