code: def setUp(self):
      # TODO test more formats for ligand
      self.current_dir = os.path.dirname(os.path.realpath(__file__))
      self.docked_ligands = os.path.join(
          self.current_dir, "assets", "1jld_ligand_docked.pdbqt"
      )
  
file_path: deepchem/deepchem/utils/test/test_docking_utils.py
imports: import os
  import numpy
  import unittest
  from deepchem.utils import docking_utils
  from deepchem.utils import rdkit_utils
label_desc: Use image node_id 1 for calling the TestVinaUtils obj's underlying member method code with example usage: obj.setUp() without return types