code: def test_builder_eval2(self):
      x_val = np.array(
          [[[-1, 3, 6]], [[-1, 2, -3]], [[4, -5, 6]]], dtype=np.float32
      )
      with pytest.raises(ValueError, match=r".* dimension -3 .*"):
          v = mb.softplus_parametric(
              x=x_val,
              alpha=np.array([1, 2], dtype=np.float32),
              beta=np.array([4, 5, 6], dtype=np.float32),
          )
  
imports: from scipy import special
  import scipy
  from coremltools.converters.mil import testing_reqs
  from coremltools.converters.mil.testing_reqs import *
  from .testing_utils import run_compare_builder
label_desc: Use image node_id 3 for calling the TestSoftplusParametric obj's underlying member method code with example usage: obj.test_builder_eval2() without return types