public void Can_Delete_A_StoreSetting()
        {
            //// Arrange
            var setting = _settingsService.CreateStoreSettingWithKey("Testing", "Rusty", typeof(string).FullName);
            var key     = setting.Key;

            //// Act
            _settingsService.Delete(setting);
            var retrieved = _settingsService.GetByKey(key);

            //// Assert
            Assert.IsNull(retrieved);
        }