public void RenderSubstitution()
        {
            // Arrange

            // Act
            var result = SubstitutionHelper.RenderSubstitution(m_htmlHelper, "name").ToHtmlString();

            // Assert
            Assert.Equal("result", result);
        }
        public void RenderSubstitution_Token()
        {
            // Arrange
            m_mockContext.Setup(c => c.Handler).Returns(new HttpResponseSubstitutionHandler(null));

            // Act
            var result = SubstitutionHelper.RenderSubstitution(m_htmlHelper, "name").ToHtmlString();

            // Assert
            Assert.Equal(HttpResponseSubstitutionHandler.Token("name"), result);
        }