public void MultiElementsTest()
{
Body body = new Body();
string headerId = "id1";
string headerName = "name1";
string headerText = "text";
string headerStyle = "color:red";
Header2 h2 = new Header2(headerText, headerId, headerName, headerStyle);
body.AddElement(h2);
Assert.Equal($"<body><h2 id=\"{headerId}\" name=\"{headerName}\" style=\"{headerStyle}\">{headerText}</h2></body>", body.ToHtml());
}
