code: def test_hilbert(self, xp, scp):  # , n):
      # example from the docstring of `scipy.signal.minimum_phase`
      from scipy.signal import remez
  
      h_linear = remez(151, [0, 0.2, 0.3, 1.0], [1, 0], fs=2)
  
      if xp == cupy:
          h_linear = cupy.asarray(h_linear)
      return scp.signal.minimum_phase(h_linear, method="hilbert")
  
imports: import cupy
  import cupyx.scipy.signal
  from cupy import testing
  import pytest
  from pytest import raises
label_desc: Use image node_id 4 for calling the TestMinimumPhase obj's underlying member method code with example usage: obj.test_hilbert(xp, scp) and returns: scp