refactor code & fixed location

tests/utils.ts

@@ -0,0 +1,26 @@
+import { enableAutoUnmount, flushPromises, VueWrapper } from '@vue/test-utils'
+import { createPinia, setActivePinia } from 'pinia'
+
+/**
+ * Helper function to setup test environment with Pinia
+ */
+export function setupTest() {
+  const pinia = createPinia()
+  setActivePinia(pinia)
+  return pinia
+}
+
+/**
+ * Helper to flush all pending promises
+ */
+export async function flushAllPromises() {
+  await flushPromises()
+  await new Promise((resolve) => setTimeout(resolve, 0))
+}
+
+/**
+ * Helper to cleanup after each test
+ */
+export function teardownTest() {
+  vi.clearAllMocks()
+}