code: def test_ones(self):
      npt.assert_array_equal(
          ones(self.shape), np.ones(self.shape, dtype=np.float32)
      )
  
file_path: cornac/tests/cornac/utils/test_init_utils.py
imports: import unittest
  import numpy.testing
  from cornac.utils.init_utils import *
label_desc: Use image node_id 3 for calling the TestInitUtils obj's underlying member method code with example usage: obj.test_ones() without return types