The annotation reference tests now show the date/time placeholder, but since localization is not active we don't see the actual date/time string. It would be nice to be able to have this in the reference images.
failure = "page setup : " + this._exceptionToString(e);
        this._snapshot(task, failure);
      }
    }
  }
  _clearCanvas() {
    const ctx = this.canvas.getContext("2d", { alpha: false });
    ctx.beginPath();
    ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
  }
  _snapshot(task, failure) {
    this._log("Snapshotting... ");
    const dataUrl = this.canvas.toDataURL("image/png");
    this._sendResult(dataUrl, task, failure).then(() => {
      this._log(
        "done" + (failure ? " (failed !: " + failure + ")" : "") + "\n"
      );
      task.pageNum++;
      this._nextPage(task);
    });
  }
  _quit() {
    this._log("Done !");
    this.end.textContent = "Tests finished. Close this window!";
    
    fetch(`/tellMeToQuit?browser=${escape(this.browser)}`, {
      method: "POST",
    });
  }
  _info(message) {