### Question:
NetworkHelper { public Observable<TotalResEntity.HomeArticles> getHomeArticles(int page) { return mWanApiService.getHomeArticles(page) .map(new WanHttpResultFunc<TotalResEntity.HomeArticles>()) .compose(RxSchedulers.<TotalResEntity.HomeArticles>io_main()); } NetworkHelper(WanApiService apiService); Observable<WanLoginEntityRes.DataBean> login(String userName, String password); Observable<TotalResEntity.Register> register(String username, String password, String repassword); Observable<TotalResEntity.HomeArticles> getHomeArticles(int page); Observable<List<TotalResEntity.HomeBanner>> getHomeBanner(); Observable<TotalResEntity.SearchHotWords> getSearchHotWords(); Observable<TotalResEntity.CommonWebsite> getCommonWebsite(); Observable<TotalResEntity.SystemData> getSystemData(); Observable<TotalResEntity.Collect> getCollect(int page);  }### Answer:
@Test public void getHomeArticles() { int page = 0; mApiService.getHomeArticles(page).subscribe(homeArticlesWanBaseResponseEntity -> { }, throwable -> { }); }