Add store tests with mocked axios and apiError

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/stores/modal.test.js

@@ -0,0 +1,30 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { setActivePinia, createPinia } from 'pinia';
+import { useModalStore } from '@/stores/modal.js';
+import { MODAL_ACCT_INFO, MODAL_DELETE } from '@/constants/constants.js';
+
+describe('modalStore', () => {
+  let store;
+
+  beforeEach(() => {
+    setActivePinia(createPinia());
+    store = useModalStore();
+  });
+
+  it('has default state', () => {
+    expect(store.isModalOpen).toBe(false);
+    expect(store.whichModal).toBe(MODAL_ACCT_INFO);
+  });
+
+  it('openModal sets isModalOpen and whichModal', () => {
+    store.openModal(MODAL_DELETE);
+    expect(store.isModalOpen).toBe(true);
+    expect(store.whichModal).toBe(MODAL_DELETE);
+  });
+
+  it('closeModal sets isModalOpen to false', async () => {
+    store.openModal(MODAL_DELETE);
+    await store.closeModal();
+    expect(store.isModalOpen).toBe(false);
+  });
+});