message: chore: refactor test/main to remove unnecessary namespace
diff: @@ -24,7 +24,7 @@ use std::time::{Duration, Instant};
  fn main() {
  env::set_var("RUST_BACKTRACE", "full");
  let _ = {
  - let filter = ::std::env::var("CKB_LOG").unwrap_or_else(|_| "info".to_string());
  + let filter = env::var("CKB_LOG").unwrap_or_else(|_| "info".to_string());
  env_logger::builder().parse_filters(&filter).try_init()
  };
  @@ -156,7 +156,7 @@ fn main() {
  }
  if !spec_errors.is_empty() {
  - error!("ckb-failed on spec {}", error_spec_names.join(", "));
  + error!("ckb-test failed on spec {}", error_spec_names.join(", "));
  log_failed_specs(&error_spec_names)
  .unwrap_or_else(|err| error!("Failed to write integration failure reason: {}", err));
  info!("You can rerun remaining specs using following command:");
  @@ -252,7 +252,7 @@ fn filter_specs(mut all_specs: SpecMap, spec_names_to_run: Vec<&str>) -> Vec<Spe
  }
  fn current_dir() -> PathBuf {
  - ::std::env::current_dir()
  + env::current_dir()
  .expect("can't get current_dir")
  .join("vendor")
  }
  