public void baseClassTest()
        {
            var obj0 = new internalClass();

            Assert.AreEqual("rahul", obj0.getFirstName());
            Assert.AreEqual("RAHUL", obj0.getBaseStringUpper());
        }
        public void Class1ExtensionTest()
        {
            var obj1 = new internalClass();

            Assert.AreEqual("EXTENSION", obj1.getFirstValueUpper());
        }
        public void Class1Test()
        {
            var obj1 = new internalClass();

            Assert.AreEqual("extension", obj1.getFirstValue());
        }