
Before this commit, the output of "./runtest-cluster --help" is incorrect. After this commit, the format of the following 3 output is consistent: ./runtest --help ./runtest-cluster --help ./runtest-sentinel --help
Before this commit, the output of "./runtest-cluster --help" is incorrect. After this commit, the format of the following 3 output is consistent: ./runtest --help ./runtest-cluster --help ./runtest-sentinel --help