public void RenderCoding()
{
var c = new Coding("http://www.loinc.org/", "23456-5");
Assert.AreEqual("23456-5@http://www.loinc.org/", c.ForDisplay());
c.Display = "Testing rendering";
Assert.AreEqual("23456-5@http://www.loinc.org/ (Testing rendering)", c.ForDisplay());
var c2 = new Coding("http://www.loinc.org/", "12345-6");
var cc = new CodeableConcept();
cc.Coding = new List<Coding>() { c,c2 };
Assert.AreEqual("{23456-5@http://www.loinc.org/ (Testing rendering), 12345-6@http://www.loinc.org/}", cc.ForDisplay());
cc.Text = "Unit test rendering";
Assert.AreEqual("Unit test rendering {23456-5@http://www.loinc.org/ (Testing rendering), 12345-6@http://www.loinc.org/}", cc.ForDisplay());
}