message: fix(closure): static prop frameTimeFactor being collapsed when compiled with closure.
diff: @@ -32,6 +32,7 @@ export class TestScheduler extends VirtualTimeScheduler {
  * The number of virtual time units each character in a marble diagram represents. If
  * the test scheduler is being used in "run mode", via the `run` method, this is temporarly
  * set to `1` for the duration of the `run` block, then set back to whatever value it was.
  + * @nocollapse
  */
  static frameTimeFactor = 10;
  