code: def test_right_squeeze_and_pad(self):
      data = np.empty((2, 1, 2))
      a = array_like(data, "a", ndim=3)
      assert a.shape == (2, 1, 2)
      data = np.empty(2)
      a = array_like(data, "a", ndim=3)
      assert a.shape == (2, 1, 1)
      data = np.empty((2, 1))
      a = array_like(data, "a", ndim=3)
      assert a.shape == (2, 1, 1)
  
      data = np.empty((2, 1, 1, 1))
      a = array_like(data, "a", ndim=3)
      assert a.shape == (2, 1, 1)
  
      data = np.empty((2, 1, 1, 2, 1, 1))
      with pytest.raises(ValueError):
          array_like(data, "a", ndim=3)
  
imports: from collections import OrderedDict
  import numpy
  import pandas
  import pytest
  from statsmodels.tools.validation import array_like, PandasWrapper, bool_like, dict_like, float_like, int_like, string_like
  from statsmodels.tools.validation.validation import _right_squeeze
label_desc: Use image node_id 4 for calling the TestArrayLike obj's underlying member method code with example usage: obj.test_right_squeeze_and_pad() without return types