message: Fix spurious error in dirty_both_lib_and_test.
diff: @@ -1697,6 +1697,10 @@ fn dirty_both_lib_and_test() {
  .with_stdout_contains("[..]doit assert failure[..]")
  .run();
  + if is_coarse_mtime() {
  + // #5918
  + sleep_ms(1000);
  + }
  // Fix the mistake.
  p.change_file("slib.rs", &slib(1));
  