### Question:
PlatformManager { public Collection<Platform> getPlatforms () { return platforms != null ? platforms : Collections.emptySet(); } @Autowired  PlatformManager();   PlatformManager(Collection<Platform> platforms); Collection<Platform> getPlatforms(); Optional<Platform> getNextPlatformForExperiment(boolean force);  }### Answer:
@Test public void getPlatforms () { assertThat(platformManager.getPlatforms(), IsIterableContainingInAnyOrder.containsInAnyOrder(platform1, platform2)); }