message: [cluster-test] Use sudo when updating genesis.blob on deploy
  Closes:
  Approved by: ankushagarwal
diff: @@ -654,7 +654,7 @@ impl ClusterTestRunner {
  fn fetch_genesis(&self, marker: &str) -> failure::Result<()> {
  let cmd = format!(
  - "aws s3 cp s3://toro-validator-sets/{}/100/genesis.blob /opt/libra/genesis.blob",
  + "sudo aws s3 cp s3://toro-validator-sets/{}/100/genesis.blob /opt/libra/genesis.blob",
  marker
  );
  let jobs = self
  