public void FindPostionForElementTest()
        {
            var data = new[] { "aba", "maria", "ana", "ioana", null, null, null, null };
            var element = "ana";

            var array = new SortedArray<string>(data, 4);
            array.SortArray();
            var expectedResult=array.Find(element);

            Assert.AreEqual(1, expectedResult);
        }