public void Span_Quando_Crio_Com_Filhos()
{
XControl span = new Span(new P());
Assert.AreEqual("<span><p></p></span>", span.ToString());
}
public void Span_Quando_Crio()
{
XControl span = new Span("valor");
Assert.AreEqual("<span>valor</span>", span.ToString());
}