> However, it is a little different from the coverage tool, that you proposed 4 tests per RFC2119 key word ('must' and 'should') by default :)

Hehe. Good catch. :)

Let's seek to get consensus on this in the mailing list[3] and apply the decision consistently. My personal preference would be to mark optional tests with meta-data but still include them in the repo.

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[3] http://lists.w3.org/Archives/Public/public-test-infra/2013JulSep/0240.html