message: [cluster-test] Temporary gate flamegraph experiment behind env var
  It is currently failing in master, this will unblock the pipeline
  Closes:
diff: @@ -56,9 +56,11 @@ impl ExperimentSuite {
  if env::var("TWIN_EXPERIMENT").is_ok() {
  experiments.push(Box::new(TwinValidatorsParams { pair: 1 }.build(cluster)));
  }
  + if env::var("FLAMEGRAPH_EXPERIMENT").is_ok() {
  experiments.push(Box::new(
  CpuFlamegraphParams { duration_secs: 60 }.build(cluster),
  ));
  + }
  Self { experiments }
  }
  