code: def func(self, xp, a):
      if xp is numpy:
          expected = numpy.where(a >= 0, a, a * self.slope)
          return expected
      return xp.leaky_relu(a, self.slope)
  
imports: import random
  import chainer
  import numpy
  import chainerx
  from chainer import utils
  from chainerx_tests import array_utils
  from chainerx_tests import dtype_utils
  from chainerx_tests import op_utils
label_desc: Use image node_id 1 for calling the TestLeakyRelu obj's underlying member method code with example usage: obj.func(xp, a) and returns: xp, expected