The problem is here
<!-- Only have to provide what is not provided in the layout.
The layour is the skeleton. --!>
This is not correct comment syntax for HTML. Closing comment tag should be -->
and not --!>
. Use the following.
<!-- Only have to provide what is not provided in the layout.
The layour is the skeleton. -->
Your tests are failing because your HTML comments are not terminated and therefore your H1 is missing.