public void TestRemoveAtMethod_WithNegativeIndex_ShouldThrow()
        {
            DynamicList<int> arr = new DynamicList<int>();
            arr.Add(1);

            arr.RemoveAt(-1);
        }

        public void TestObject_OnExistingIndex_ShouldReturnCorrectObject()
        {
            DynamicList<int> arr = new DynamicList<int>();
            arr.Add(1);

            Assert.AreEqual(1, arr[0],"The index is not correct!");
        }

 public void TestCount_ValidCountOnNewListCreation_ExpectSuccess()
 {
     DynamicList<int> list = new DynamicList<int>();
     int actual = list.Count;
     int expected = 0;
     Assert.AreEqual(expected, actual, "List count should be 0.");
 }

 public void Test_ValueOfTheOneElementAdded()
 {
     var list = new DynamicList<int>();
     list.Add(15);
     var value = list[0];
     Assert.AreEqual(15, value, "The value at index 0 should be equal to the value entered.");
 }

 public void Index_SetValidIndex_ShouldChangeElement()
 {
     var list = new DynamicList<int>();
     list.Add(1);
     list[0] = 3;
     Assert.AreEqual(3, list[0]);
 }

        public void TestAddNodeWithValueOfOneMustCreatCorrectNode()
        {
            var list = new DynamicList<int>();
            list.Add(1);

            Assert.AreEqual(1, list[0]);
        }

        public void TestAddingNewNodeOnTailPositionEmptyList()
        {
            var list = new DynamicList<int>();
            list.Add(1);

            Assert.AreEqual(1, list[0]);
        }

        public void CreateNewDynamicList_EmptyCollection()
        {
            var dynamicList = new DynamicList<int>();
            var lenght = dynamicList.Count;

            Assert.AreEqual(0, lenght, "Collection lenght should be 0!");
        }

 public void AddTests()
 {
     var list = new DynamicList<int>();
     list.Add(1);
     Assert.AreEqual(1, list.Count);
     Assert.AreEqual(1, list.ItemAtIndex(0));
 }

        public void TestList_SetIndex_ShouldThrowException()
        {
            DynamicList<int> list = new DynamicList<int>();
            int setterIndexTest = 9;

            list[3] = setterIndexTest;
        }

        public void DynamicListTest()
        {
            var testValue = new DynamicList<string>();

            int expected = 0;
            Assert.AreEqual(expected, testValue.Count, string.Format("The expected count of {0} did not match the actual value of {1}", expected,testValue.Count));
        }

 public void Count_AddToList_ShouldBeProperCount()
 {
     var list = new DynamicList<int>();
     list.Add(1);
     var count = list.Count;
     Assert.AreEqual(1, count);
 }

        public void TestRemove_NotExistingElement_ShouldNeutralIndex()
        {
            var list = new DynamicList<int>();

            var index = list.Remove(1);
            Assert.AreEqual(-1, index);
        }

 public void TestAddOneElementToList()
 {
     DynamicList<int> list = new DynamicList<int>();
     list.Add(15);
     int value = list[0];
     Assert.AreEqual(15, value, "The value at index 0 should be equal to the value entered.");
 }

 public void Index_GetValidIndex_ShouldReturnProperElement()
 {
     var list = new DynamicList<int>();
     list.Add(1);
     var element = list[0];
     Assert.AreEqual(1, element);
 }

 public void Test_ListCountAfterAddOneElementToList()
 {
     var list = new DynamicList<int>();
     list.Add(1);
     var count = list.Count;
     Assert.AreEqual(1, count, "List count should be 1 after adding one element.");
 }

 public void TestIndexOf_ExistingElement_ShouldReturnProperIndex()
 {
     var list = new DynamicList<int>();
     list.Add(5);
     var index = list.IndexOf(5);
     Assert.AreEqual(0, index);
 }

 public void TestContains_NExistingElement_ShouldReturnPositive()
 {
     var list = new DynamicList<int>();
     list.Add(5);
     var isContains = list.Contains(5);
     Assert.IsTrue(isContains);
 }

        public void RemovingElementAtIndexShouldReturnElement()
        {
            var numList = new DynamicList<int>();
            numList.Add(7);
            int number = numList.RemoveAt(0);

            Assert.AreEqual(7, number, "The elements is found and it's equal to what is expected.");
        }

        public void TestList_GetIndex_ShouldThrowException()
        {
            DynamicList<int> list = new DynamicList<int>();
            int getterIndexTest = 9;

            list.Add(getterIndexTest);
            int value = list[5];
        }