test: harden 3 flaky e2e tests with real readiness checks

- cloud-asset-default: poll for widget type before asserting value
- settingsDialog: wait for combobox visible+enabled after search filter
- enterBuilder: wait for workflow-tab popover to dismiss before clicking

Amp-Thread-ID: https://ampcode.com/threads/T-019d882d-8403-7648-a9f3-06d7518d9772
Co-authored-by: Amp <amp@ampcode.com>

browser_tests/fixtures/helpers/AppModeHelper.ts

@@ -94,6 +94,13 @@ export class AppModeHelper {
 
   /** Enter builder mode via the "Workflow actions" dropdown. */
   async enterBuilder() {
+    // Wait for any workflow-tab popover to dismiss before clicking —
+    // the popover overlay can intercept the "Workflow actions" click.
+    await this.page
+      .locator('.workflow-popover-fade')
+      .waitFor({ state: 'hidden', timeout: 5000 })
+      .catch(() => {})
+
     await this.page
       .getByRole('button', { name: 'Workflow actions' })
       .first()

browser_tests/tests/cloud-asset-default.spec.ts

@@ -74,6 +74,22 @@ test.describe('Asset-supported node default value', { tag: '@cloud' }, () => {
       return node!.id
     })
 
+    // Wait for the asset widget to be created on the new node before
+    // checking its value — widget mounting is async and may lag behind
+    // node creation.
+    await expect
+      .poll(
+        () =>
+          comfyPage.page.evaluate((id) => {
+            const node = window.app!.graph.getNodeById(id)
+            return node?.widgets?.find(
+              (w: { name: string }) => w.name === 'ckpt_name'
+            )?.type
+          }, nodeId),
+        { timeout: 10_000 }
+      )
+      .toBe('asset')
+
     await expect
       .poll(
         async () => {

browser_tests/tests/dialogs/settingsDialog.spec.ts

@@ -145,10 +145,16 @@ test.describe('Settings dialog', { tag: '@ui' }, () => {
       const settingRow = dialog.root.locator(`[data-setting-id="${settingId}"]`)
       await expect(settingRow).toBeVisible()
 
+      // Wait for the search filter to settle — PrimeVue re-renders the
+      // settings list after typing, and the combobox may not be stable
+      // until exactly one row matches.
+      const select = settingRow.getByRole('combobox')
+      await expect(select).toBeVisible()
+      await expect(select).toBeEnabled()
+
       // Open the dropdown via its combobox role and verify it expanded.
       // Retry because the PrimeVue Select may re-render during search
       // filtering, causing the first click to land on a stale element.
-      const select = settingRow.getByRole('combobox')
       await expect(async () => {
         const expanded = await select.getAttribute('aria-expanded')
         if (expanded !== 'true') await select.click()