rootWebArea scrollable=true
++genericContainer ignored
++++genericContainer
++++++group name='Scrollable iframe'
++++++++iframe
++++++++++rootWebArea scrollable=true
++++++++++++genericContainer ignored
++++++++++++++genericContainer ignored
++++++++++++++++genericContainer
++++++++++++++++++staticText name='visible text'
++++++++++++++++++++inlineTextBox name='visible text'
++++++++++++++++genericContainer ignored
++++++++++++++++genericContainer
++++++++++++++++++staticText name='hidden from viewport'
++++++++++++++++++++inlineTextBox name='hidden from viewport'