feat: Test priority: "important" and priority: "none" notifications using Guidepup

[smockle]

Overview

Part of https://github.com/github/core-ux/issues/346 (requires Hubber login).

This PR adds a test for priority: "important" and priority: "none" notifications. The test is written using Guidepup and Playwright. It can be run with npm test.

Below is a screen recording, with audio, of the test running (and passing). The “Suggested Text” example page is opened, and VoiceOver is started. The textarea is focused, and “a” is typed. The word “acceptable” is suggested as a completion, and the explanatory message “Press right arrow to commit suggestion” is conveyed too. The test validates these are conveyed.

Screen.Recording.2024-10-09.at.5.12.13.PM.mov

Next Steps

• Write a similar test for NVDA.
• Run tests in CI¹.

Footnotes

1. CI is the reason I opted to test in Edge. Edge is preinstalled on the macos-latest runners, so we’ll avoid downloading a browser in each CI run. ↩

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