AppApplication extends Application { @Override public void onCreate() { super.onCreate(); context = this; new PreferenceUtil(this); dbHelper = new DbHelper(this); if (!isInUnitTests()) { refWatcher = LeakCanary.install(this); } Stetho.initializeWithDefaults(this); }  @Override void onCreate(); static RefWatcher getRefWatcher(); @Override void onLowMemory(); static Context getContext(); static DbHelper getDbHelper();  }
@Test @Override public void onCreate() { super.onCreate(); }