code: def testSquare(self):
      for align in alignment_list:
          for _, tests in [square_cases(align)]:
              for diag_index, (vecs, solution) in tests.items():
                  params = {
                      "diagonal": vecs[0],
                      "k": diag_index,
                      "align": align,
                  }
                  self._assertOpOutputMatchesExpected(
                      params, solution[0]
                  )
  
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 MatrixDiagTest obj's underlying member method code with example usage: obj.testSquare() without return types