public void DoesLastSettingsExist_SettingsDontExist_ReturnFalse()
        {
            using (ShimsContext.Create())
            {
                ShimFilePath();
                IUserContext userContext;
                Boolean      doesLastSettingsExist;

                // Arrange
                userContext = GetTestUserContext();

                // Act
                MySettingsManager.DeleteLastSettingsFile(userContext);
                doesLastSettingsExist = MySettingsManager.DoesLastSettingsExist(userContext);

                // Assert
                Assert.IsFalse(doesLastSettingsExist);
            }
        }
        public void GetLastSettingsSaveTime_LastSettingsDontExists_ReturnNull()
        {
            using (ShimsContext.Create())
            {
                ShimFilePath();
                IUserContext userContext;
                DateTime?    lastSettingsSaveTime;

                // Arrange
                userContext = GetTestUserContext();

                // Act
                MySettingsManager.DeleteLastSettingsFile(userContext);
                lastSettingsSaveTime = MySettingsManager.GetLastSettingsSaveTime(userContext);

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