Check that a filter using the $elemhide exception filter option is working as expected.
Test that a filter using the $elemhide filter option whitelists only hiding filters.
dp-testpages.adblockplus.org##.ex-elemhide
||dp-testpages.adblockplus.org/testfiles/elemhide/*
@@dp-testpages.adblockplus.org/en/exceptions/elemhide$elemhide