### Question:
TimelineView extends CustomComponent implements IUpdatableWidget { public void setTimeDisplay(Date date) { this.timeDisplay.setValue(date); } TimelineView(ISystemViewProvider systemViewProvider);   TimelineView(ISystemViewProvider systemViewProvider,
            Class<? extends Timeline> tlClass); @Override void update(); @Override boolean isActive(); @Override void activate(); @Override void deactivate(); void setCurrent(boolean isCurrent); void setTimeDisplay(Date date); void enableAutoScroll(); void disableAutoScroll(); void disableStop(); void enableStop(); void setHistoricalDate(Date current); void setStartDate(Date startDate); void setAttached(); void setDetached();  }### Answer:
@Test public void timelineViewTimeDisplay() { DateField timeDisplay = timelineView.getTimeDisplay(); Date date = new Date(); timelineView.setTimeDisplay(date); assertEquals(date, timeDisplay.getValue()); }