'Populates test course with chapter, sequential, and 1 problems.
The problem is visible only to Group "alpha".'

def populate_course_fixture(self, course_fixture):

    course_fixture.add_children(XBlockFixtureDesc(u'chapter', u'Test    Section').add_children(XBlockFixtureDesc(u'sequential', u'Test    Subsection').add_children(XBlockFixtureDesc(u'vertical', u'Test    Unit'))))
