@Test
public void testDSL1() throws IOException, CopperParserException {
String input =
"{ 1 { 2 } {3} 4 {5} {5 {6{{3}}}} }";
DSLLit res = (DSLLit)new Wyvern().parse(new StringReader(input), "test input");
Assert.assertEquals(" 1 { 2 } {3} 4 {5} {5 {6{{3}}}} ", res.getText().get());
}