code: def test_forward():
      FH_molecule = [
          ["F", [0.424, 0.424, 0.23]],
          ["H", [0.4, 0.5, 0.5]],
      ]
      # Testing ionic initialization
      mol = FerminetModel(FH_molecule, spin=1, ion_charge=-1)
      result = mol.model.forward(torch.from_numpy(mol.molecule.x))
      assert result.size() == torch.Size([8])
  
file_path: deepchem/deepchem/models/tests/test_ferminet.py
imports: import pytest
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: test_forward() without return types