code: def test_member_func():
      class A:
          def f(self, a):
              return a + 4
  
      x = A()
      check("x.f(30)", 34)
  
file_path: tensor-sensor/testing/test_tree_eval.py
imports: from tsensor.parsing import *
  import tsensor.ast
  import sys
  import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: test_member_func() and returns: unknown