code: def test_einsum_sums_longdouble(self):
      self.check_einsum_sums(np.longdouble)
  
imports: import itertools
  import sys
  import platform
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_array_equal, assert_almost_equal, assert_raises, suppress_warnings, assert_raises_regex, assert_allclose
label_desc: Use image node_id 17 for calling the TestEinsum obj's underlying member method code with example usage: obj.test_einsum_sums_longdouble() without return types