code: def test_expand_dims_tuple_axis(self, xp):
      a = testing.shaped_arange((2, 2, 2), xp)
      return [
          xp.expand_dims(a, axis)
          for axis in [
              (0, 1, 2),
              (0, -1, -2),
              (0, 3, 5),
              (0, -3, -5),
              (),
              (1,),
          ]
      ]
  
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupy import testing
label_desc: Use image node_id 20 for calling the TestDims obj's underlying member method code with example usage: obj.test_expand_dims_tuple_axis(xp) and returns: unknown