message: (Minor test macro fix)
diff: @@ -55,7 +55,7 @@ macro_rules! test_pl_common {
  assert_ne!(pl, pl_default);
  let pl2 = pl.copy();
  - assert_eq!(pl.class()?, $plc);
  + assert_eq!(pl2.class()?, $plc);
  assert_eq!(pl2, pl);
  assert_ne!(pl2, pl_default);
  };
  