code: def test_correct_shape(self, arguments, input_data, expected_shape):
      result = AddPointGuidanceSignald(**arguments)(input_data)
      np.testing.assert_equal(result["image"].shape, expected_shape)
  
imports: from __future__ import annotations
  import unittest
  import numpy
  from parameterized import parameterized
  from monai.apps.nuclick.transforms import AddClickSignalsd, AddLabelAsGuidanced, AddPointGuidanceSignald, ExtractPatchd, FilterImaged, FlattenLabeld, PostFilterLabeld, SetLabelClassd, SplitLabeld
label_desc: Use image node_id 1 for calling the TestGuidanceSignal obj's underlying member method code with example usage: obj.test_correct_shape(arguments, input_data, expected_shape) without return types