parameters:
filename:src/test/remu_restart_test.cc
gtest_enable_pre_vote:1
gtest_interval_check:1
gtest_node_num:3
steps:
step1: start 3 nodes
step2: wait for leader elect
step3: check leader stable
step4: stop first one
step5: start one, stop next one stable
step6: start one
step7: quit