code: def forward_expected(self, inputs):
      (x,) = inputs
      expected = numpy.where(x >= 0, x, x * self.slope)
      return (expected.astype(self.dtype),)
  
file_path: chainer/tests/chainer_tests/functions_tests/activation_tests/test_leaky_relu.py
imports: import random
  import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 4 for calling the TestLeakyReLU obj's underlying member method code with example usage: obj.forward_expected(inputs) and returns: expected