chore: remove test files deleted in release

HelpTooltip.spec.ts and PaymentProviderDialog.spec.ts were removed
in release/custom-0.1.115; commit the deletion.

frontend/src/components/common/__tests__/HelpTooltip.spec.ts

-import { afterEach, describe, expect, it } from 'vitest'
-import { mount } from '@vue/test-utils'
-import { nextTick } from 'vue'
-import HelpTooltip from '@/components/common/HelpTooltip.vue'
-
-function getTooltipElement(): HTMLDivElement {
-  const tooltip = document.body.querySelector('[role="tooltip"]')
-  if (!(tooltip instanceof HTMLDivElement)) {
-    throw new Error('tooltip element not found')
-  }
-  return tooltip
-}
-
-describe('HelpTooltip', () => {
-  afterEach(() => {
-    document.body.innerHTML = ''
-  })
-
-  it('keeps the existing hover interaction by default', async () => {
-    const wrapper = mount(HelpTooltip, {
-      attachTo: document.body,
-      props: {
-        content: 'hover details',
-      },
-    })
-
-    const trigger = wrapper.get('.group')
-    const tooltip = getTooltipElement()
-
-    expect(tooltip.style.display).toBe('none')
-
-    await trigger.trigger('mouseenter')
-    await nextTick()
-    expect(tooltip.style.display).not.toBe('none')
-
-    await trigger.trigger('mouseleave')
-    await nextTick()
-    expect(tooltip.style.display).toBe('none')
-
-    wrapper.unmount()
-  })
-
-  it('supports click-to-toggle details and closes on outside click', async () => {
-    const wrapper = mount(HelpTooltip, {
-      attachTo: document.body,
-      props: {
-        content: 'click details',
-        trigger: 'click',
-      },
-    })
-
-    const trigger = wrapper.get('.group')
-    const tooltip = getTooltipElement()
-
-    expect(tooltip.style.display).toBe('none')
-
-    await trigger.trigger('click')
-    await nextTick()
-    expect(tooltip.style.display).not.toBe('none')
-    expect(tooltip.textContent).toContain('click details')
-
-    const closeButton = tooltip.querySelector('button[aria-label="Close"]')
-    if (!(closeButton instanceof HTMLButtonElement)) {
-      throw new Error('close button not found')
-    }
-    closeButton.click()
-    await nextTick()
-    expect(tooltip.style.display).toBe('none')
-
-    await trigger.trigger('click')
-    await nextTick()
-    expect(tooltip.style.display).not.toBe('none')
-
-    document.body.dispatchEvent(new MouseEvent('click', { bubbles: true }))
-    await nextTick()
-    expect(tooltip.style.display).toBe('none')
-
-    wrapper.unmount()
-  })
-})

frontend/src/components/payment/__tests__/PaymentProviderDialog.spec.ts

-import { describe, expect, it, vi } from 'vitest'
-import { mount } from '@vue/test-utils'
-import { nextTick } from 'vue'
-import PaymentProviderDialog from '@/components/payment/PaymentProviderDialog.vue'
-
-const messages: Record<string, string> = {
-  'admin.settings.payment.providerConfig': 'Credentials',
-  'admin.settings.payment.paymentGuideTrigger': 'View payment guide',
-  'admin.settings.payment.alipayGuideSummary': 'Desktop prefers QR precreate and falls back to cashier; mobile prefers WAP checkout.',
-  'admin.settings.payment.wxpayGuideSummary': 'Desktop prefers Native QR; mobile routes to JSAPI or H5 based on browser context.',
-}
-
-vi.mock('vue-i18n', () => ({
-  useI18n: () => ({
-    t: (key: string) => messages[key] ?? key,
-  }),
-}))
-
-function mountDialog() {
-  return mount(PaymentProviderDialog, {
-    props: {
-      show: true,
-      saving: false,
-      editing: null,
-      allKeyOptions: [
-        { value: 'alipay', label: 'Alipay' },
-        { value: 'wxpay', label: 'WeChat Pay' },
-        { value: 'stripe', label: 'Stripe' },
-      ],
-      enabledKeyOptions: [
-        { value: 'alipay', label: 'Alipay' },
-        { value: 'wxpay', label: 'WeChat Pay' },
-      ],
-      allPaymentTypes: [
-        { value: 'alipay', label: 'Alipay' },
-        { value: 'wxpay', label: 'WeChat Pay' },
-      ],
-      redirectLabel: 'Redirect',
-    },
-    global: {
-      stubs: {
-        BaseDialog: {
-          template: '<div><slot /><slot name="footer" /></div>',
-        },
-        Select: {
-          props: ['modelValue', 'options', 'disabled'],
-          template: '<div />',
-        },
-        ToggleSwitch: {
-          template: '<div />',
-        },
-      },
-    },
-  })
-}
-
-describe('PaymentProviderDialog payment guide', () => {
-  it('shows no payment guide for providers without a flow guide', () => {
-    const wrapper = mountDialog()
-
-    expect(wrapper.text()).not.toContain(messages['admin.settings.payment.alipayGuideSummary'])
-    expect(wrapper.text()).not.toContain(messages['admin.settings.payment.wxpayGuideSummary'])
-    expect(wrapper.find('button[title="View payment guide"]').exists()).toBe(false)
-  })
-
-  it.each([
-    ['alipay', 'admin.settings.payment.alipayGuideSummary'],
-    ['wxpay', 'admin.settings.payment.wxpayGuideSummary'],
-  ])('shows the payment guide summary for %s', async (providerKey, summaryKey) => {
-    const wrapper = mountDialog()
-
-    ;(wrapper.vm as unknown as { reset: (key: string) => void }).reset(providerKey)
-    await nextTick()
-
-    expect(wrapper.text()).toContain(messages[summaryKey])
-    expect(wrapper.find('button[title="View payment guide"]').exists()).toBe(true)
-  })
-})