Sizzle: fix test failures related to Sizzle.contains
Sizzle: fix test failures related to Sizzle.contains

isaacs/jquery,praveen9102/Shazam,jquery/jquery,Karyotyper/jquery,roytoo/jquery,diracdeltas/jquery,roytoo/jquery,eburgos/jquery,rwaldron/jquery,demetr84/Jquery,quiaro/request-agent,Karyotyper/jquery,jquery/jquery,isaacs/jquery,sancao2/jquery,roytoo/jquery,diracdeltas/jquery,demetr84/Jquery,chitranshi/jquery,praveen9102/Shazam,sancao2/jquery,sancao2/jquery,Karyotyper/jquery,eburgos/jquery,RubyLouvre/jquery,diracdeltas/jquery,RubyLouvre/jquery,chitranshi/jquery,jquery/jquery,jcutrell/jquery,eburgos/jquery,rwaldron/jquery,jcutrell/jquery