test: assert cancel dialog billing request

browser_tests/tests/dialogs/cancelSubscriptionDialog.spec.ts

@@ -2,6 +2,7 @@ import type { Page } from '@playwright/test'
 import { expect } from '@playwright/test'
 
 import type { WorkspaceStore } from '@e2e/types/globals'
+import type { operations } from '@/types/comfyRegistryTypes'
 import { comfyPageFixture as test } from '@e2e/fixtures/ComfyPage'
 
 async function openCancelSubscriptionDialog(page: Page, cancelAt?: string) {
@@ -57,6 +58,20 @@ test.describe('CancelSubscription dialog', { tag: '@ui' }, () => {
     comfyPage
   }) => {
     const { page } = comfyPage
+    const mockBillingPortalResponse: NonNullable<
+      operations['AccessBillingPortal']['responses']['200']['content']['application/json']
+    > = {
+      billing_portal_url: 'https://billing.stripe.com/test'
+    }
+    let billingRequestCount = 0
+    let billingRequestMethod: string | null = null
+
+    await page.route('**/customers/billing', async (route) => {
+      billingRequestCount += 1
+      billingRequestMethod = route.request().method()
+
+      await route.fulfill({ json: mockBillingPortalResponse })
+    })
 
     await openCancelSubscriptionDialog(page)
 
@@ -71,7 +86,8 @@ test.describe('CancelSubscription dialog', { tag: '@ui' }, () => {
 
     await cancelBtn.click()
 
-    // Clicking triggers the cancellation flow which closes the dialog
+    await expect.poll(() => billingRequestCount).toBe(1)
+    expect(billingRequestMethod).toBe('POST')
     await expect(dialog).toBeHidden()
   })
 })