public void LogMessage_LogSeveralMessage_ShouldGetCorrectLogMessage()
 {
     _inMemoryLogger.LogMessage(LogLevel.Debug, "This is debug message!");
     _inMemoryLogger.LogMessage(LogLevel.Error, "This is error message!");
     _inMemoryLogger.LogItems.Count.ShouldBe(2);
     _inMemoryLogger.LogItems[0].GetLogMessage().ShouldBe("Debug : This is debug message!");
     _inMemoryLogger.LogItems[1].GetLogMessage().ShouldBe("Error : This is error message!");
 }