### Question:
CurrenciesProvider extends ModelProvider { public static Uri uriCurrencies() { return uriModels(CurrenciesProvider.class, Tables.CurrencyFormats.TABLE_NAME); }  static Uri uriCurrencies(); static Uri uriCurrency(String currencyServerId);  }### Answer:
@Test(expected = IllegalArgumentException.class) public void update_throwsIllegalArgumentException() { update(CurrenciesProvider.uriCurrencies(), new ContentValues(), null); }
@Test(expected = IllegalArgumentException.class) public void delete_throwsIllegalArgumentException_whenTryingToDeleteDefaultCurrency() { delete("delete", CurrenciesProvider.uriCurrencies(), null); }