public void ShouldWork()
        {
            ApplicationObject applicationObject = ApplicationObject.GetInstance();

            applicationObject.Should().NotBeNull();
            applicationObject.ApplicationId.Should().NotBeEmpty();
        }
        public static ApplicationObject GetInstance()
        {
            if (null == singleInstance)
            {
                lock (lockObject)
                {
                    if (null == singleInstance)
                    {
                        singleInstance = new ApplicationObject
                        {
                            ApplicationId = Guid.NewGuid()
                        };
                    }
                }
            }

            return(singleInstance);
        }