code: def test_sens_ic_scalar_2_param(self):
      # Scalar ODE 2 Param
      def ode_func_2(y, t, p):
          return p[0] * np.exp(-p[0] * t) - p[1] * y[0]
  
      # Instantiate ODE model
      model2 = DifferentialEquation(
          func=ode_func_2, t0=0, times=self.t, n_states=1, n_theta=2
      )
  
      model2_sens_ic = np.array([1, 0, 0])
  
      np.testing.assert_array_equal(model2_sens_ic, model2._sens_ic)
  
imports: import warnings
  import numpy
  import pytensor
  import pytensor.tensor
  import pytest
  from scipy.stats import norm
  import pymc
  from pymc.ode import DifferentialEquation
  from pymc.testing import fast_unstable_sampling_mode
label_desc: Use image node_id 2 for calling the TestSensitivityInitialCondition obj's underlying member method code with example usage: obj.test_sens_ic_scalar_2_param() and returns: unknown