code: def generate_inputs(self):
      (in_dtype,) = self.in_dtypes
      if hasattr(self, "array"):
          return (self.array.astype(in_dtype),)
      return (array_utils.uniform(self.shape, in_dtype),)
  
imports: import chainer
  import numpy
  import pytest
  import chainerx
  import chainerx.testing
  from chainerx_tests import array_utils
  from chainerx_tests import dtype_utils
  from chainerx_tests import math_utils
  from chainerx_tests import op_utils
label_desc: Use image node_id 1 for calling the TestMax obj's underlying member method code with example usage: obj.generate_inputs() and returns: array_utils, self