public void Test_WriteString()
        {
            var fileWorker = new TestTextFileStorage("myfile.log");
            var message    = "abc";

            fileWorker.WriteString(message);
            var result = fileWorker.WritedString;

            Assert.AreEqual("abc\r\none\r\nthree\r\ntwo", result);
        }
        public void Test_ReadStrings()
        {
            var fileWorker = new TestTextFileStorage("myfile.log");

            var messages = fileWorker.ReadStrings();

            Assert.AreEqual(messages[0], "one");
            Assert.AreEqual(messages[1], "two");
            Assert.AreEqual(messages[2], "three");
        }