def _insert(self, node):
        if node.case.parent_uuid == self.case.uuid:
            self.children.append(node)
            return True
        else:
            for child in self.children:
                if child._insert(node):
                    return True
        return False
Return True if `node` has been inserted into tree.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/case.py/CaseTreeNode._insert