Fix test compilation.
Fix test compilation.


Former-commit-id: c93429212501098e6d15d00e72cdba7cdbfe9ade
amaliujia/CMUDB-peloton,amaliujia/CMUDB-peloton,larryxiao/peloton-1,omegaga/peloton,larryxiao/peloton,larryxiao/peloton-1,omegaga/peloton,omegaga/peloton,ranxian/peloton,larryxiao/peloton,ranxian/peloton,larryxiao/peloton,ranxian/peloton,omegaga/peloton,larryxiao/peloton-1,larryxiao/peloton,ranxian/peloton,amaliujia/CMUDB-peloton,larryxiao/peloton-1,larryxiao/peloton,larryxiao/peloton-1,amaliujia/CMUDB-peloton,larryxiao/peloton-1,amaliujia/CMUDB-peloton,larryxiao/peloton,ranxian/peloton,larryxiao/peloton,amaliujia/CMUDB-peloton,omegaga/peloton,larryxiao/peloton-1,omegaga/peloton,amaliujia/CMUDB-peloton,omegaga/peloton,ranxian/peloton