code: def testSparseRead(self):
      v = self.create_variable([[1.0, 2.0], [3.0, 4.0]])
      self.assertAllEqual(
          v.sparse_read([1, 0], name="read"), [[3.0, 4.0], [1.0, 2.0]]
      )
      self.assertAllEqual(
          v.gather_nd([[1, 0], [0, 1]], name="gather_nd"), [3.0, 2.0]
      )
  
imports: from absl.testing import parameterized
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import strategy_combinations
  from tensorflow.python.distribute import test_util
  from tensorflow.python.distribute import values_v2
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import indexed_slices
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.ops import variables
label_desc: Use image node_id 16 for calling the _VariableInterfaceTestBase obj's underlying member method code with example usage: obj.testSparseRead() without return types