chromium/content/test/data/accessibility/aria/aria-radiogroup-expected-mac.txt

AXWebArea AXRoleDescription='HTML content'
++AXRadioGroup AXDescription='My group' AXRoleDescription='radio group'
++++AXRadioButton AXLinkedUIElements=[:3, :4] AXRoleDescription='radio button' AXTitle='Radio 1' AXValue=0
++++AXRadioButton AXLinkedUIElements=[:3, :4] AXRoleDescription='radio button' AXTitle='Radio 2' AXValue=0