aria-required-parent: Improve failure messaging when 'menuitem', 'menuitemcheckbox' and 'menuitemradio' are in a 'group'

[iamrafan]

When menuitem, menuitemcheckbox and menuitemradio are in a group that is not contained by a menu or menubar , the fix message(shown below) mentions group as one of the required parents though it is already a parent

Fix the following:
Required ARIA parents role not present: menu, menubar, group

Demo link: https://codepen.io/iamrafan/full/eYgaxrb

Product: axe-core

Expectation: Not suggest group as one of the required parents

Actual: The fix message mentions group as one of the required parents though it is already a parent

axe-core version: 4.2.0-canary.43394bc
axe-coconut: 4.8.6.11818 build 7ad6fe9b86

[straker]

I see what you are saying, we definitely should clarify that. Thanks for letting us know.

[clottman]

@straker for this check, the rule metadata already is set to use whatever missingParents is (code for check result messages), but there's nothing in getMissingContext that I can see that filters out parent roles that do exist.

[padmavemulapati]

Validated with the latest axe-core develop branch code base,
Earlier for the aria-required-parent int he fix message, group appearing as one of the required parents though it is already a parent - as shown below:

Now group is not appearing as the required parent: