code: def test_array_split_empty_array(self, xp):
      a = testing.shaped_arange((5, 0), xp)
      return xp.array_split(a, [2, 4], 0)
  
imports: import unittest
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestSplit obj's underlying member method code with example usage: obj.test_array_split_empty_array(xp) and returns: xp