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Test: aria-pressed attribute test (TalkBack/Chrome)

Expectation: aria-pressed attribute: MUST convey the "mixed" value - applied to the button element

Details
Property	Value
Support	none Grading Note: There is no known/documented support. There may still be support for this expectation, but it is undocumented. If this is the case, please report this issue.
AT Name	TalkBack
AT Version	16
Browser Name	Chrome
Browser Version	138
OS version	16
Date	2025-07-25
Notes

Commands and Output

These are specific commands used to access the target element in the test, along with the resulting output.

Command	Result	Output	Notes
next_item (Swipe right (or alt+right arrow))	fail	"off, action, toggle button"	Grading note: This command may be expected to fail. This result simply indicates that it did not yield support.
activate_form_control (double tap)	fail	"off" when value is changed to either `false` or `mixed`, "on" when value changed to `true`	Grading note: This command may be expected to fail. This result simply indicates that it did not yield support.