new_contents: """Tests for special utilities related to nuclear problems."""
  
  import pytest
  from sympy import Symbol, simplify, latex
  
  from drudge import NuclearBogoliubovDrudge
  from drudge.nuclear import JOf, TildeOf, MOf, NOf, LOf, PiOf
  
  
  @pytest.fixture(scope='module')
  def nuclear(spark_ctx):
      """Set up the drudge to test."""
      return NuclearBogoliubovDrudge(spark_ctx)
  
  
  def test_qn_accessors():
      """Test the symbolic functions for quantum number access."""
  
      k = Symbol('k')
      for acc in [JOf, TildeOf, MOf, NOf, LOf, PiOf]:
          # Test that they are considered integers.
          e = acc(k)
          assert simplify((-1) ** (e * 2)) == 1
  
          latex_form = latex(e)
          assert latex_form[-3:] == '{k}'
  
  
  def test_jm_dummies_are_integers(nuclear: NuclearBogoliubovDrudge):
      """Test that the angular momentum dummies has the right assumptions."""
      p = nuclear.names
      for i in [p.m1, p.m2, p.M1, p.M2, p.J1, p.J2]:
          assert simplify((-1) ** (i * 2)) == 1
  
subject: Add tests for nuclear QN accessors and dummies