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.
let failure = loadError || "";
    let ctx;
    if (!task.pdfDoc) {
      const dataUrl = this.canvas.toDataURL("image/png");
      this._sendResult(dataUrl, task, failure).then(() => {
        this._log(
          "done" + (failure ? " (failed !: " + failure + ")" : "") + "\n"
        );
        this.currentTask++;
        this._nextTask();
      });
      return;
    }
    if (task.pageNum > this._getLastPageNumber(task)) {
      if (++task.round < task.rounds) {
        this._log(" Round " + (1 + task.round) + "\n");
        task.pageNum = task.firstPage || 1;
      } else {
        this.currentTask++;
        this._nextTask();
        return;
      }
    }
    if (task.skipPages && task.skipPages.includes(task.pageNum)) {
      this._log(
        " Skipping page " + task.pageNum + "/" + task.pdfDoc.numPages + "...\n"
      );
      task.pageNum++;
      this._nextPage(task);