code: def _testV1Level(self, high_level):
      matrices = np.arange(3 * 2 * 4).reshape([3, 2, 4])
      solution = np.array([[0, 5], [8, 13], [16, 21]])
      self._assertOpOutputMatchesExpected(
          {"input": matrices}, solution, high_level
      )
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_array_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 2 for calling the MatrixDiagPartTest obj's underlying member method code with example usage: obj._testV1Level(high_level) without return types