'GZipMiddleware doesn\'t modify a weak ETag.'

def test_weak_etag_not_modified(self):

    request = self.rf.get('/', HTTP_ACCEPT_ENCODING='gzip,    deflate')
    response = HttpResponse(self.compressible_string)
    response['ETag'] = 'W/"eggs"'
    gzip_response = GZipMiddleware().process_response(request, response)
    self.assertEqual(gzip_response['ETag'], 'W/"eggs"')
