Runs the test case.
Document doc;
DocumentType docType;
NamedNodeMap notations;
Notation notationNode;
String systemId;
int index;
doc = (Document) load("staff", false);
docType = doc.getDoctype();
assertNotNull("docTypeNotNull", docType);
notations = docType.getNotations();
assertNotNull("notationsNotNull", notations);
notationNode = (Notation) notations.getNamedItem("notation2");
systemId = notationNode.getSystemId();
assertURIEquals("uriEquals", null, null, null, "notation2File", null, null, null, null, systemId);