Align outro animations at slide end

test/player-page-playback.test.js

@@ -1256,8 +1256,12 @@ test('player applies animation delays and schedules outro triggers to finish at
   assert.equal(values['animation-delay'], '250ms');
 
   sandbox.scheduleSlideOutro(5000);
-  assert.equal(timers[0].delay, 3200);
+  assert.equal(timers[0].delay, 3150);
   timers[0].callback();
   assert.equal(values['--animate-duration'], '700ms');
   assert.equal(values['animation-delay'], undefined);
+
+  timers.length = 0;
+  assert.equal(sandbox.scheduleSlideOutro(1000), 1850);
+  assert.equal(timers[0].delay, 0);
 });