code: def test_realpath(self):
      self.assertIn("foo", self.pathmodule.realpath("foo"))
      with warnings.catch_warnings():
          warnings.simplefilter("ignore", DeprecationWarning)
          self.assertIn(b"foo", self.pathmodule.realpath(b"foo"))
  
imports: import genericpath
  import os
  import sys
  import unittest
  import warnings
  from test.support import is_emscripten
  from test.support import os_helper
  from test.support import warnings_helper
  from test.support.script_helper import assert_python_ok
  from test.support.os_helper import FakePath
label_desc: Use image node_id 6 for calling the CommonTest obj's underlying member method code with example usage: obj.test_realpath() without return types