@Test
public void testCopyNamespace() {
DynamicNamespaceContext dnc1 = (DynamicNamespaceContext) app.getNamespaceContext();
String s1 = dnc1.toString();
String s2 = dnc1.copy().toString();
System.out.println(s1);
System.out.println(s2);
assertNotSame(s1, s2);
assertNotSame(dnc1, dnc1.copy());
}