'Verify correct url dictionary structure.'

def verify_urls(self, actual_urls, expected_name, is_default=False):

    self.assertEqual(set(TEST_SIZES.keys()), set(actual_urls.keys()))
    for (size_display_name, url) in actual_urls.items():
        if is_default:
            self.verify_default_url(url, TEST_SIZES[size_display_name])
        else:
            self.verify_url(url, expected_name, TEST_SIZES[size_display_name], TEST_PROFILE_IMAGE_UPLOAD_DT.strftime('%s'))
