old_contents: from astropy import units as u
  
  from astropy.tests.helper import assert_quantity_allclose, pytest
  
  
  def test_assert_quantity_allclose():
  
      assert_quantity_allclose([1, 2], [1, 2])
  
      assert_quantity_allclose([1, 2] * u.m, [100, 200] * u.cm)
  
      assert_quantity_allclose([1, 2] * u.m, [101, 201] * u.cm, atol=2 * u.cm)
  
      with pytest.raises(AssertionError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [90, 200] * u.cm)
      assert exc.value.args[0].startswith("\nNot equal to tolerance")
  
      with pytest.raises(AssertionError):
          assert_quantity_allclose([1, 2] * u.m, [101, 201] * u.cm, atol=0.5 * u.cm)
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [100, 200])
      assert exc.value.args[0] == "Units for 'desired' () and 'actual' (m) are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [100, 200] * u.cm)
      assert exc.value.args[0] == "Units for 'desired' (cm) and 'actual' () are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [100, 200] * u.cm, atol=0.3)
      assert exc.value.args[0] == "Units for 'atol' () and 'actual' (m) are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [1, 2], atol=0.3 * u.m)
      assert exc.value.args[0] == "Units for 'atol' (m) and 'actual' () are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [1, 2], rtol=0.3 * u.m)
      assert exc.value.args[0] == "`rtol` should be dimensionless"
  
new_contents: from astropy import units as u
  
  from astropy.tests.helper import assert_quantity_allclose, pytest
  
  
  def test_assert_quantity_allclose():
  
      assert_quantity_allclose([1, 2], [1, 2])
  
      assert_quantity_allclose([1, 2] * u.m, [100, 200] * u.cm)
  
      assert_quantity_allclose([1, 2] * u.m, [101, 201] * u.cm, atol=2 * u.cm)
  
      with pytest.raises(AssertionError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [90, 200] * u.cm)
      assert exc.value.args[0].startswith("\nNot equal to tolerance")
  
      with pytest.raises(AssertionError):
          assert_quantity_allclose([1, 2] * u.m, [101, 201] * u.cm, atol=0.5 * u.cm)
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [100, 200])
      assert exc.value.args[0] == "Units for 'desired' () and 'actual' (m) are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [100, 200] * u.cm)
      assert exc.value.args[0] == "Units for 'desired' (cm) and 'actual' () are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2] * u.m, [100, 200] * u.cm, atol=0.3)
      assert exc.value.args[0] == "Units for 'atol' () and 'actual' (m) are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [1, 2], atol=0.3 * u.m)
      assert exc.value.args[0] == "Units for 'atol' (m) and 'actual' () are not convertible"
  
      with pytest.raises(u.UnitsError) as exc:
          assert_quantity_allclose([1, 2], [1, 2], rtol=0.3 * u.m)
      assert exc.value.args[0] == "'rtol' should be dimensionless"
  
subject: Change error message in test of allclose