private boolean isDeadServerSCPExecuted(ServerName serverName) throws IOException {
    return TEST_UTIL.getMiniHBaseCluster().getMaster().getProcedures().stream()
      .anyMatch(p -> p instanceof ServerCrashProcedure
        && ((ServerCrashProcedure) p).getServerName().equals(serverName));
  }
Checks if the SCP of specific dead server has been executed.
@return true if the SCP of specific serverName has been executed, false if not
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestRollingRestart.java