public void Pass()
        {
            string expected = "expected";
            var    tested   = new Tested();
            var    actual   = tested.ReturnString(expected);

            (actual).ShouldBe(expected);
        }
        public void PassWithDisplayName()
        {
            var expected = "DisplayName";
            var tested   = new Tested();
            var actual   = tested.ReturnString(expected);

            (actual).ShouldBe(expected);
        }