message: Add note about date-parsing failure on Safari
diff: @@ -60,6 +60,7 @@ module('Integration | Component | workflow-thread', function (hooks) {
  }),
  ];
  workflow.epilogue.postables = [postable4];
  + // Date.parse below is returning NaN on Safari
  postable1.timestamp = new Date(Date.parse('2021-05-20 00:00:00'));
  postable2.timestamp = new Date(Date.parse('2021-05-20 00:00:00'));
  postable3.timestamp = new Date(Date.parse('2021-05-21 00:00:00'));
  