code: def testHash(self):
      shape = (1, 3)
      dtype = dtypes.int32
      trainable = False
      alias_id = None
      spec = resource_variable_ops.VariableSpec(shape, dtype, trainable)
      spec_hash = hash(spec)
      expected_hash = hash((shape, dtype, trainable, alias_id))
      self.assertEqual(spec_hash, expected_hash)
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.platform import test
  from tensorflow.python.util import nest
label_desc: Use image node_id 11 for calling the VariableSpecTest obj's underlying member method code with example usage: obj.testHash() without return types