parameters:
filename:src/test/remu_leadertransfer_test.cc
gtest_enable_pre_vote:1
gtest_interval_check:1
gtest_node_num:5
steps:
step1: start 5 nodes
step2: wait for leader elect
step3: check leader stable
step4: leader transfer
step5: wait leader change
step6: leader change
step7: check leader
step8: quit