Add store tests with mocked axios and apiError

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

tests/stores/conformanceInput.test.js

@@ -0,0 +1,32 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { setActivePinia, createPinia } from 'pinia';
+import useConformanceInputStore from '@/stores/conformanceInput.js';
+
+describe('conformanceInputStore', () => {
+  let store;
+
+  beforeEach(() => {
+    setActivePinia(createPinia());
+    store = useConformanceInputStore();
+  });
+
+  it('has correct default state', () => {
+    expect(store.inputDataToSave.inputStart).toBeNull();
+    expect(store.activityRadioData.task).toEqual(['', '']);
+  });
+
+  it('setActivityRadioStartEndData sets From', () => {
+    store.setActivityRadioStartEndData('taskA', 'From');
+    expect(store.activityRadioData.task[0]).toBe('taskA');
+  });
+
+  it('setActivityRadioStartEndData sets To', () => {
+    store.setActivityRadioStartEndData('taskB', 'To');
+    expect(store.activityRadioData.task[1]).toBe('taskB');
+  });
+
+  it('setActivityRadioStartEndData ignores unknown', () => {
+    store.setActivityRadioStartEndData('taskC', 'Unknown');
+    expect(store.activityRadioData.task).toEqual(['', '']);
+  });
+});