Check that a filter using the $sitekey exception filter option is working as expected on MV2.
Test that a filter using the $sitekey option whitelists in frame elements.
abptestpages.org#@#[data-adblockkey]
abptestpages.org##.testcase-sitekey-eh
||abptestpages.org/testfiles/sitekey/outofframe.png
||abptestpages.org/testfiles/sitekey/inframe.png
@@$document,sitekey=MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBANGtTstne7e8MbmDHDiMFkGbcuBgXmiVesGOG3gtYeM1EkrzVhBjGUvKXYE4GLFwqty3v5MuWWbvItUWBTYoVVsCAwEAAQ