shadows/framework/src/main/java/org/robolectric/shadows/ShadowSoundPool.java
public boolean wasResourcePlayed(int resId) {
    for (Playback playback : playedSounds) {
      if (idIsForResource(playback.soundId, resId)) {
        return true;
      }
    }
    return false;
  }
public boolean wasResourcePlayed(int resId) {
    for (Playback playback : playedSounds) {
      if (idIsForResource(playback.soundId, resId)) {
        return true;
      }
    }
    return false;
  }
Returns {@code true} if the given resource was played.