[Eugene (OEvgeny)]

Follow-up to #6020, as promised in the review thread.

Changelog Entry

Fixed

• 👷🏻 Fixed screen reader primary action tests: removed the NVDA test, which clicked an element no screen reader can reach, and explained the emulated action, in PR #6022, by @OEvgeny

Description

In #6020, the tests emulate a screen reader's "primary action" with click(), and William Wong (@compulim) asked what they test. Narrator (UI Automation Invoke) and NVDA's ENTER in browse mode (IAccessible2 doAction) both ask the browser for the accessibility default action, which Chromium turns into a click on the active descendant itself. Neither WebDriver nor the Chrome DevTools Protocol can run that action, so the tests have to emulate it.

The .nvda.html test clicked the active descendant's first child. That child is aria-hidden, so no screen reader can reach it: the path only existed with #4041's markup. The test only repeated the Narrator test.

Specific Changes

• focusAttachment.screenReaderPrimaryAction.windowsNarrator.html and part-grouping/primaryAction.windowsNarrator.html: the WHEN comment now names the real screen reader call and says why click() emulates it

• Removed focusAttachment.screenReaderPrimaryAction.nvda.html and its 3 snapshots

• No product change

• I have added tests and executed them locally

• I have added .changelog/<PR#>-<slug>.md

• I have updated documentation

Review Checklist

This section is for contributors to review your work.

• Accessibility reviewed (tab order, content readability, alt text, color contrast)
• Browser and platform compatibilities reviewed
• CSS styles reviewed (minimal rules, no z-index)
• Documents reviewed (docs, samples, live demo)
• Internationalization reviewed (strings, unit formatting)
• package.json and package-lock.json reviewed
• Security reviewed (no data URIs, check for nonce leak)
• Tests reviewed (coverage, legitimacy)

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