code: def test_fs_nyq(self, xp, scp):
      taps1 = scp.signal.firwin2(
          80, xp.asarray([0.0, 0.5, 1.0]), xp.asarray([1.0, 1.0, 0.0])
      )
      taps2 = scp.signal.firwin2(
          80,
          xp.asarray([0.0, 30.0, 60.0]),
          xp.asarray([1.0, 1.0, 0.0]),
          fs=120.0,
      )
      return taps1, taps2
  
imports: import cupy
  import cupyx.scipy.signal
  from cupy import testing
  import pytest
  from pytest import raises
label_desc: Use image node_id 8 for calling the TestFirwin2 obj's underlying member method code with example usage: obj.test_fs_nyq(xp, scp) and returns: taps1,  taps2