code: def test_su2_generators_angular_momentum_one(self) -> None:
      # Test for the case of momentum j=1 (spin-1).
      j = 1
      generators = equivariance_utils.su2_generators(j)
      # Expected J_x, J_z, J_y matrices for j=1
  
      expected_generators = torch.tensor(
          [
              [
                  [
                      0.0000 + 0.0000j,
                      0.7071 + 0.0000j,
                      0.0000 + 0.0000j,
                  ],
                  [
                      -0.7071 + 0.0000j,
                      0.0000 + 0.0000j,
                      0.7071 + 0.0000j,
                  ],
                  [
                      0.0000 + 0.0000j,
                      -0.7071 + 0.0000j,
                      0.0000 + 0.0000j,
                  ],
              ],
              [
                  [
                      -0.0000 - 1.0000j,
                      0.0000 + 0.0000j,
                      0.0000 + 0.0000j,
                  ],
                  [
                      0.0000 + 0.0000j,
                      0.0000 + 0.0000j,
                      0.0000 + 0.0000j,
                  ],
                  [
                      0.0000 + 0.0000j,
                      0.0000 + 0.0000j,
                      0.0000 + 1.0000j,
                  ],
              ],
              [
                  [
                      0.0000 - 0.0000j,
                      0.0000 + 0.7071j,
                      0.0000 - 0.0000j,
                  ],
                  [
                      0.0000 + 0.7071j,
                      0.0000 - 0.0000j,
                      0.0000 + 0.7071j,
                  ],
                  [
                      0.0000 - 0.0000j,
                      0.0000 + 0.7071j,
                      0.0000 - 0.0000j,
                  ],
              ],
          ]
      )
  
      self.assertTrue(torch.allclose(generators, expected_generators))
  
file_path: deepchem/deepchem/utils/test/test_equivariance_utils.py
imports: import unittest
label_desc: Use image node_id 3 for calling the TestEquivarianceUtils obj's underlying member method code with example usage: obj.test_su2_generators_angular_momentum_one() without return types