'Test video thumbnail image URL formatting.'

def test_get_video_thumbnail_image_url(self):

    thumbnail_image = u'thumbnail_image.jpg'
    course = CourseFactory.create(video_thumbnail_image=thumbnail_image)
    self.verify_url(unicode(course.id.make_asset_key('asset', thumbnail_image)), course_image_url(course, 'video_thumbnail_image'))
