[Bug Report][3.6.10] VMenu - activator="parent" can't be tested with VUE test utils

[YukiYu729]

Environment

Vuetify Version: 3.6.10
Vue Version: 3.4.29
Browsers: Chrome 128.0.0.0
OS: Windows 10

Steps to reproduce

I wrote three use cases for VMenu; they all work, but the third one (with activator="parent") cannot be tested in the unit test script. The other two are fine, but I really need the third solution.

Here's my code (also in VPlay):

<!-- first -->
<VMenu v-model="show">
  <template #default>
    <div class="menu-content">Menu Content</div>
  </template>
</VMenu>
<VBtn @mouseenter="show = true" @mouseleave="show = false">
  Open Menu
</VBtn>

<!-- second -->
<VMenu :open-on-hover="true">
  <template #activator="{ props }">
    <VBtn v-bind="props">Open Menu</VBtn>
  </template>
  <template #default>
    <div class="menu-content">Menu Content</div>
  </template>
</VMenu>

<!-- third -->
<VBtn>
  Open Menu
  <VMenu :open-on-hover="true" activator="parent">
    <template #default>
      <div class="menu-content">Menu Content</div>
    </template>
  </VMenu>
</VBtn>

And here's my unit test:

import { mount } from '@vue/test-utils';
import { VMenu, VBtn } from 'vuetify/components';
import PopupMenu from '../PopupMenu.vue';
import { createVuetify } from 'vuetify';
import { nextTick } from 'vue';

// Create a Vuetify instance
const vuetify = createVuetify();

describe('VMenu', () => {
  it('renders menu content when open', async () => {
    const wrapper = mount(PopupMenu, {
      global: {
        plugins: [vuetify],
      },
    });

    // Find and trigger the activator button
    await wrapper.findComponent(VBtn).trigger('mouseenter');

    // Wait for the menu to be visible
    await nextTick();
    await new Promise((resolve) => setTimeout(resolve, 1000));

    // Check if the menu content is rendered in the document body
   // Third solution will fail here
    const menuContent = document.querySelector('.menu-content');
    expect(menuContent).not.toBeNull();
    expect(menuContent.textContent).toBe('Menu Content');
  });
});

Expected Behavior

When use activator="parent", there should be some way to write the unit to verify it

Actual Behavior

Unit test can't pass, don't know why

Reproduction Link

https://play.vuetifyjs.com/#...

[KaelWD]

There is a few ms delay between the component rendering and when the event listeners are added, you shouldn't hover over it immediately.