The content looks more like restructured text to me,
and it seems to be more common amongst OpenStack projects.
Change-Id: Iba8c21985c055f1712069a6e70d345bb920381bf
This keeps it consistent with the other heat projects, and gets us
away from having a global 'tests' package.
Change-Id: Ic41b5fc235df0fce0feecfe678f743621e379aec