code: def generate_inputs(self):
      x1 = numpy.random.uniform(-1, 1, (3, 2, 3)).astype(numpy.float32)
      x2 = numpy.random.uniform(-1, 1, (2)).astype(numpy.float32)
      return x1, x2
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_bias.py
imports: import unittest
  import numpy
  import chainer
  from chainer import functions
  from chainer import testing
  from chainer import utils
label_desc: Use image node_id 1 for calling the TestBias obj's underlying member method code with example usage: obj.generate_inputs() and returns: x1,  x2