'Populates test course with chapter, sequential, and 2 problems.'

def populate_course_fixture(self, course_fixture):

    problem_data = dedent('\n                                                <problem    markdown="Simple    Problem"    max_attempts=""    weight="">\n                                                        <p>Choose    Yes.</p>\n                                                        <choiceresponse>\n                                                                <checkboxgroup>\n                                                                        <choice    correct="true">Yes</choice>\n                                                                </checkboxgroup>\n                                                        </choiceresponse>\n                                                </problem>\n                                ')
    course_fixture.add_children(XBlockFixtureDesc('chapter', 'Test    Section').add_children(XBlockFixtureDesc('sequential', 'Test    Subsection').add_children(XBlockFixtureDesc('problem', 'Test    Problem    1', data=problem_data), XBlockFixtureDesc('problem', 'Test    Problem    2', data=problem_data))))
