asciidoc-0.1: test/asciidoctor/stem/with-title.test

:stem:
[stem]
.Equation
++++
sqrt(4) = 2
++++
>>>
Document
  { docMeta =
      Meta
        { docTitle = []
        , docTitleAttributes = Nothing
        , docAuthors = []
        , docRevision = Nothing
        , docAttributes = fromList [ ( "sectids" , "" ) , ( "stem" , "" ) ]
        }
  , docBlocks =
      [ Block
          mempty
          (Just (BlockTitle [ Inline mempty (Str "Equation") ]))
          (MathBlock Nothing "sqrt(4) = 2\n")
      ]
  }