code: def test_su2_generators_shape(self) -> None:
      # Test if the output has the correct shape.
      j_values = [
          1,
          2,
          3,
          5,
          7,
      ]  # Test for multiple quantum angular momentum values
      for j in j_values:
          with self.subTest(j=j):
              generators = equivariance_utils.su2_generators(j)
              self.assertEqual(
                  generators.shape, (3, 2 * j + 1, 2 * j + 1)
              )
  
file_path: deepchem/deepchem/utils/test/test_equivariance_utils.py
imports: import unittest
label_desc: Use image node_id 1 for calling the TestEquivarianceUtils obj's underlying member method code with example usage: obj.test_su2_generators_shape() without return types