Add component tests for ModalHeader, IconChecked, and Conformance result components

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

tests/components/ResultArrow.test.js

@@ -0,0 +1,39 @@
+import { describe, it, expect } from 'vitest';
+import { mount } from '@vue/test-utils';
+import ResultArrow from '@/components/Discover/Conformance/ConformanceSidebar/ResultArrow.vue';
+
+describe('ResultArrow', () => {
+  it('renders list items from data prop', () => {
+    const wrapper = mount(ResultArrow, {
+      props: {
+        data: ['Activity A', 'Activity B', 'Activity C'],
+        select: null,
+      },
+    });
+    const items = wrapper.findAll('li');
+    expect(items.length).toBe(3);
+    expect(items[0].text()).toContain('Activity A');
+    expect(items[1].text()).toContain('Activity B');
+    expect(items[2].text()).toContain('Activity C');
+  });
+
+  it('renders empty list when data is null', () => {
+    const wrapper = mount(ResultArrow, {
+      props: { data: null, select: null },
+    });
+    const items = wrapper.findAll('li');
+    expect(items.length).toBe(0);
+  });
+
+  it('renders arrow_circle_down icon for each item', () => {
+    const wrapper = mount(ResultArrow, {
+      props: {
+        data: ['Task 1'],
+        select: null,
+      },
+    });
+    expect(wrapper.find('span.material-symbols-outlined').text()).toContain(
+      'arrow_circle_down',
+    );
+  });
+});