code: def setUp(self):
      self.W = numpy.random.uniform(-1, 1, (2, 15)).astype(
          numpy.float32
      )
      self.x = numpy.random.uniform(-1, 1, (3, 3, 5)).astype(
          numpy.float32
      )
  
imports: import unittest
  import numpy
  import pytest
  import chainer
  from chainer import functions
  from chainer import testing
  from chainer.testing import backend
label_desc: Use image node_id 1 for calling the TestLinearNBatchAxesBoundaryCondition obj's underlying member method code with example usage: obj.setUp() without return types