[WIP] Button can't be found within an 'accessible' table view

I have a screen with a button that can't be found within a table view. The reason is because it is failing the check for -accessibilityAncestorPreventsPresenceInAccessibilityHierarchy. However, I have a view where the UITableView is showing up as being an accessibility element, so the UIButton that is being filtered out by Subliminal.

I want to see if there are any issues with this change being compatible with existing tests. It seems to fix my problem at least in this case.