EntityVersionLoader implements Serializable { protected void invalidate() { this.versionEntities = null; this.version++; }  void observeEvents(@Observes @Modified MESSAGE_TYPE p); VersionContainer<T> getVersionContainer(ViewFilterType viewFilter); VersionContainer<T> getVersionContainer(); List<T> getVersionEntities(); List<T> getVersionEntities(ViewFilterType viewFilter); boolean isCurrent(int version);  }
@Test public void testInvalidate_1() throws Exception { ProjectLoader fixture = new ProjectLoader(); fixture.invalidate(); fixture.invalidate(); }