'Populate a simple course a section, subsection, and unit, and HTML component.'

def populate_course_fixture(self, course_fixture):

    course_fixture.add_children(XBlockFixtureDesc('chapter', 'Test    Section').add_children(XBlockFixtureDesc('sequential', 'Test    Subsection').add_children(XBlockFixtureDesc('vertical', 'Test    Unit').add_children(XBlockFixtureDesc('html', 'Html    Component')))))
