assertEquals(1, leafMustConstraints.size());
MustDefinition leafMust = leafMustConstraints.iterator().next();
assertEquals("\"ifType != 'ethernet' or (ifType = 'ethernet' and ifMTU = 1500)\"", leafMust.toString());
+ assertEquals(1, refineLeaf.getUnknownSchemaNodes().size());
// container port
assertNotNull(refineContainer);