docstr: Test that attempt to create a highpass filter with an even number
  of taps raises a ValueError exception.
docstr_tok: ["Test","that","attempt","to","create","a","highpass","filter","with","an","even","number","of","taps","raises","a","ValueError","exception","."]
code: def test_even_highpass_raises_value_error(self):
      """Test that attempt to create a highpass filter with an even number
      of taps raises a ValueError exception."""
      assert_raises(ValueError, signal.firwin, 40, 0.5, pass_zero=False)
      assert_raises(ValueError, signal.firwin, 40, [0.25, 0.5])
  
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 TestFirwin obj's underlying member method code with example usage: obj.test_even_highpass_raises_value_error() without return types