✅ test: Added VButtonGroup test file

test/VButtonGroup.spec.ts

@@ -0,0 +1,46 @@
+import { mount } from "@vue/test-utils";
+import VButtonGroup from '../src/components/button/VButtonGroup.vue';
+import {test, expect, describe, vi} from 'vitest';
+
+const buttons = [
+  {title: 'button 1', label: 'label 1', onClick: vi.fn()},
+  {title: 'button 2', label: 'label 2', onClick: vi.fn()}
+]
+
+describe('VButtonGroup', () => {
+  test('Displays all buttons passed as props', () => {
+    const wrapper = mount(VButtonGroup, {
+      props: {
+        buttons,
+        title: 'button group',
+      }
+    })
+    const buttonElements = wrapper.findAll('button')
+    expect(buttonElements).toHaveLength(2)
+    expect(buttonElements[0].text()).toContain('label 1')
+    expect(buttonElements[1].text()).toContain('label 2')
+  })
+
+  test('applies the inline class when inlineLayoutWhen is “always”', () => {
+    const wrapper = mount(VButtonGroup, {
+      props: {
+        buttons,
+        title: 'button group',
+        inlineLayoutWhen: 'always',
+      }
+    })
+    expect(wrapper.classes()).toContain('btns-group--inline')
+  })
+
+  test('clicked button', async () => {
+    const onClick = vi.fn()
+    const wrapper = mount(VButtonGroup, {
+      props: {
+        buttons: [{title: 'button 1', label: 'label 1', onClick}],
+        title: 'button group',
+      }
+    })
+    await wrapper.find('button').trigger('click')
+    expect(onClick).toHaveBeenCalled()
+  })
+})