@Test
public void getSessionForMediaPeriodId_returnsValue_butDoesNotCreateSession() {

  Timeline timeline = new FakeTimeline(/* windowCount= */ 1);
  MediaPeriodId mediaPeriodId =
      new MediaPeriodId(
          timeline.getUidOfPeriod(/* periodIndex= */ 0), /* windowSequenceNumber= */ 0);
  String session = sessionManager.getSessionForMediaPeriodId(timeline, mediaPeriodId);
  assertThat(session).isNotEmpty();
  verifyNoMoreInteractions(mockListener);
}