public void ShouldRefreshConfiguration()
        {
            // Arrange
            var methodCallsCount = 0;

            this._configReader = new ConfigReaderString(() => {
                methodCallsCount++;
                return(UnityFeedbackTest.Properties.Resources.Valid);
            });

            var beforeRefresh = methodCallsCount;

            // Act
            _configReader.RefreshConfiguration();

            // Assert
            Assert.True(methodCallsCount > beforeRefresh);
        }