@Test
public void testInvalidReservedId() throws Exception {
HttpResponse response = createNamespace(METADATA_VALID, INVALID_ID);
assertResponseCode(400, response);
response = createNamespace(METADATA_VALID, Constants.DEFAULT_NAMESPACE);
<BUG>assertResponseCode(409, response);
</BUG>
response = createNamespace(METADATA_VALID, Constants.SYSTEM_NAMESPACE);
<BUG>assertResponseCode(409, response);
</BUG>
response = deleteNamespace(Constants.DEFAULT_NAMESPACE);

@Test
public void testInvalidReservedId() throws Exception {
HttpResponse response = createNamespace(METADATA_VALID, INVALID_ID);
assertResponseCode(400, response);
response = createNamespace(METADATA_VALID, Constants.DEFAULT_NAMESPACE);
assertResponseCode(400, response);
response = createNamespace(METADATA_VALID, Constants.SYSTEM_NAMESPACE);
assertResponseCode(400, response);
response = deleteNamespace(Constants.DEFAULT_NAMESPACE);
