parameters: (self, node)
docstring: Serialize the subtree of node in the format required by unit tests
          node - the node from which to start serializing
docstring_summary: Serialize the subtree of node in the format required by unit tests
          node - the node from which to start serializing
docstring_tokens: Serialize the subtree of node in the format required by unit tests node - the node from which to start serializing
function: def testSerializer(self, node):
          """Serialize the subtree of node in the format required by unit tests
          node - the node from which to start serializing"""
          raise NotImplementedError
function_tokens: def testSerializer ( self , node ) : raise NotImplementedError