code: def test_parserbehaviour_is_what_we_coded_for(self):
      t = self.fragment("if x: y").root
      self.assertLines(
          """
  (root): StatListNode
    stats[0]: IfStatNode
      if_clauses[0]: IfClauseNode
        condition: NameNode
        body: ExprStatNode
          expr: NameNode
  """,
          self.treetypes(t),
      )
  
imports: import os.path
  import unittest
  from Cython.TestUtils import TransformTest
  from Cython.Compiler.ParseTreeTransforms import *
  from Cython.Compiler.ParseTreeTransforms import _calculate_pickle_checksums
  from Cython.Compiler.Nodes import *
  from Cython.Compiler import Main, Symtab
label_desc: Use image node_id 1 for calling the TestNormalizeTree obj's underlying member method code with example usage: obj.test_parserbehaviour_is_what_we_coded_for() without return types