code: def testSingleMatrix(self):
      for align in alignment_list:
          for _, tests in all_tests(align):
              for diag_index, (vecs, banded_mat) in tests.items():
                  mask = banded_mat[0] == 0
                  input_mat = np.random.randint(10, size=mask.shape)
                  solution = input_mat * mask + banded_mat[0]
                  self._assertOpOutputMatchesExpected(
                      {
                          "input": input_mat,
                          "diagonal": vecs[0],
                          "k": diag_index,
                          "align": align,
                      },
                      solution,
                  )
  
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 5 for calling the MatrixSetDiagTest obj's underlying member method code with example usage: obj.testSingleMatrix() without return types