parameters:
filename:src/test/remu_reconfig_test.cc
gtest_enable_pre_vote:0
gtest_interval_check:1
gtest_node_num:3
steps:
step1: start 3 nodes
step2: wait for leader elect
step3: check leader stable
step4: add server
step5: wait until elect leader, then wait 5s to ensure leader stable
step6: check config change
step7: check log consistant
step8: quit