code: def test_initialization(self):
      # Check that all initializations work
      dt = 0.05
      signal.StateSpace(1, 1, 1, 1, dt=dt)
      signal.StateSpace([1], [2], [3], [4], dt=dt)
      signal.StateSpace(
          cupy.array([[1, 2], [3, 4]]),
          cupy.array([[1], [2]]),
          cupy.array([[1, 0]]),
          cupy.array([[0]]),
          dt=dt,
      )
      signal.StateSpace(1, 1, 1, 1, dt=True)
  
imports: from math import sqrt, pi
  from pytest import raises
  import cupy
  from cupy import testing
  import cupyx.scipy.signal
label_desc: Use image node_id 1 for calling the TestStateSpaceDisc obj's underlying member method code with example usage: obj.test_initialization() without return types