Steps to reproduce:

As per #13320 system test ARIA_invalid_spelling_and_grammar is failing and has been disabled.

Option 1:
Re-enable the test and run with runsystemtests -i chrome -t ARIA_invalid*

Option 2:
Manually use NVDA with the following sample:

<p>Big <span aria-invalid="spelling">caat</span> meos</p>
<p>Small <span aria-invalid="grammar">a dog</span> woofs</p>
<p>Fat <span aria-invalid="grammar, spelling">a ffrog</span> crokes</p>

• Press down arrow, note the third line does not report "spelling and grammar error" for ffrog

Actual behavior:

Noted in the test.

Expected behavior:

Noted in the test.

System configuration

NVDA installed/portable/running from source:

installed / from source

NVDA version:

alpha

Windows version:

Windows 10

Name and version of other software in use when reproducing the issue:

Chrome 100.0.4876.1 and Version 100.0.4877.2

Other information about your system:

Other questions

Does the issue still occur after restarting your computer?

Yes

Have you tried any other versions of NVDA? If so, please report their behaviors.

N/A

If add-ons are disabled, is your problem still occurring?

Yes

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

Not tried.