This tests that when something is aria-modal inside an aria-hidden it is ignored.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS accessibilityController.accessibleElementById('bgContent').isIgnored is false
PASS !backgroundContent || backgroundContent.isIgnored is true
PASS successfullyParsed is true
TEST COMPLETE
Other page content with a dummy focusable element
Just an example.