* @test t( "Adjacent", "p + p", ["ap","en","sap"] );
* @test t( "Comma, Child, and Adjacent", "a + a, code > a", ["groups","anchor1","anchor2"] );
* @test t( "First Child", "p:first-child", ["firstp","sndp"] );
* @test t( "Adjacent", "p + p", ["ap","en","sap"] );
* @test t( "Comma, Child, and Adjacent", "a + a, code > a", ["groups","anchor1","anchor2"] );
* @test t( "First Child", "p:first-child", ["firstp","sndp"] );