def Next(self):
        self.index += 1
Tests the performance of a server when handling multiple clients
dataset/ETHPy150Open coleifer/peewee/examples/redis_vtable/redis_vtab.py/Cursor.Next--crossover with--dataset/ETHPy150Open linkedin/Zopkio/examples/server_client/test_suites/base_tests.py/test_multi_client_perf