Test ARIA tab accessible selected state

michael@0: michael@0: michael@0: michael@0: michael@0: Test ARIA tab accessible selected state michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: michael@0: Mozilla Bug 653601 michael@0: michael@0: michael@0: Mozilla Bug 526703 michael@0: michael@0:

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unselected tab

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selected tab

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focused explicitly unselected tab

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unselected treeitem

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selected treeitem

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focused explicitly unselected treeitem

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michael@0: michael@0: michael@0:

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focused explicitly unselected tab

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initially selected tab

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later selected tab

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