message: [cluster_test] Clear event log after deploy
  We clear health_check data after deploy, to prevent spurious `validator produced contradicting commit` error.
  However, we did not clear log event channel. Leftovers of logs can pollute commit health check with round-commit from previous db state, resulting in spurious failure
  Closes:
  Approved by: dmitri-perelman
diff: @@ -224,6 +224,7 @@ impl ClusterTestRunner {
  }
  self.deployment_manager.redeploy(hash)?;
  thread::sleep(Duration::from_secs(60));
  + self.logs.recv_all();
  self.health_check_runner.clear();
  self.start();
  info!("Waiting until all validators healthy after deployment");
  