public void TestMethod_HelpCommand()
        {
            // Arrange
            var command = new HelpCommand();
            command.Params = "dfgtt";

            // Act
            var result = command.DoAction();

            // Assert
            Assert.AreEqual("This is help...", result);
        }
        public string DoAction()
        {
            var command = new HelpCommand();

            return command.DoAction();
        }