in src/main/java/org/apache/sling/testing/mock/jcr/MockNodeTypeManager.java [204:216]
public void unregisterNodeTypes(String[] names) throws RepositoryException {
if (ResolveMode.MOCK_ALL.equals(this.mode)) {
throw new UnsupportedOperationException();
}
for (String name : names) {
if (!registeredNTs.containsKey(name)) {
throw new NoSuchNodeTypeException(String.format(NODETYPE_DOES_NOT_EXISTS, name));
}
}
for (String name : names) {
registeredNTs.remove(name);
}
}