def METHOD_NAME(self):
    """
    Test for `get_course_overviews_from_ids` function.
    """
    course_ids = []
    course_overview_data = CourseOverview.objects.all()
    for course_overview in course_overview_data:
        course_ids.append(course_overview.id)
    results = get_course_overviews_from_ids(course_ids)
    assert len(results) == 3