### Question:
Progress implements ReceptorListener { public boolean isWon() { return unmarked.isEmpty(); }  boolean isWon(); int getScore(); void setScore(int score); void score(int points); void track(Grid grid); @Override void receptorMarked(Receptor receptor);  }### Answer:
@Test public void testWonFalse() { assertThat(progress.isWon()).isFalse(); }