'The view should return a list of details for the specified courses.'

def test_get_filtering(self):

    url = '{}?course_id={}'.format(reverse(self.view), self.course_id)
    response = self.http_get(url)
    self.assertEqual(response.status_code, 200)
    courses = response.data['results']
    self.assertEqual(len(courses), 1)
    self.assertValidResponseCourse(courses[0], self.course)
