public void ChangeDayMode_WhenChangeDayModeSomeTimes_ReturnsTrue()
{
zoo.ChangeDayMode();
zoo.ChangeDayMode();
zoo.ChangeDayMode(DayMode.Night);
Assert.Equal(DayMode.Night, zoo.CurrentDayMode);
}
private void DisplayDayModeChanged()
{
currentZoo.ChangeDayMode();
DisplayComplete("Day mode changed!\nCurrent day mode - " + currentZoo.CurrentDayMode);
}