message: [Cluster Test] Refactor binary file location into constant.
diff: @@ -40,6 +40,7 @@ const DEFAULT_NAMESPACE: &str = "default";
  const ERROR_NOT_FOUND: u16 = 404;
  const GENESIS_PATH: &str = "/tmp/genesis.blob";
  const HEALTH_CHECK_URL: &str = "http://127.0.0.1:8001";
  +const KUBECTL_BIN: &str = "/usr/local/bin/kubectl";
  // We use the macros below to get around the current limitations of the
  // "include_str!" macro (which loads the file content at compile time, rather
  @@ -124,7 +125,7 @@ impl ClusterSwarmKube {
  pub async fn new() -> Result<Self> {
  let http_client = HttpClient::new();
  // This uses kubectl proxy locally to forward connections to kubernetes api server
  - Command::new("/usr/local/bin/kubectl")
  + Command::new(KUBECTL_BIN)
  .arg("proxy")
  .spawn()?;
  libra_retrier::retry_async(k8s_retry_strategy(), || {
  