Tests that cross-origin iframe storage access is granted if the iframe is sandboxed, has the allow token, and is nested.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS Storage access was granted. document.cookie == firstPartyCookie=value, cookies seen server-side == {"firstPartyCookie":"value"}
PASS successfullyParsed is true

TEST COMPLETE


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Frame: '<!--frame1-->'
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Should not receive cookies.
Did not receive cookie named 'firstPartyCookie'.
Client-side document.cookie:

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Frame: '<!--frame2-->'
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Frame: '<!--frame3-->'
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