                       attrs.class?
         attrs.class = ("module-#{cls}" for cls in attrs.class.split /\s+/g).join ' '
         "<#{name}#{createAttrStr attrs}>"
-    , clone(htmlChunks)
+    , htmlChunks
     , """
     <!DOCTYPE html>
     <html>

  describe 'in stream mode', ->

    createRunner = (rebuildOpts, sourceChunks, expected) ->
      (done) ->
        contentStream = new PassThrough


                      attrs.class?
        classStr = (".#{cls}" for cls in attrs.class.split /s+/g).join ''
        "<!-- /#{classStr} --></#{name}>"
    , htmlChunks
    , """
    <!DOCTYPE html>
    <html>
