code: def testBool(self):
      one = tensor_shape.Dimension(1)
      zero = tensor_shape.Dimension(0)
      has_none = tensor_shape.Dimension(None)
      self.assertTrue(one)
      self.assertFalse(zero)
      self.assertFalse(has_none)
  
imports: from absl.testing import parameterized
  from tensorflow.core.framework import tensor_shape_pb2
  from tensorflow.core.function import trace_type
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 12 for calling the DimensionTest obj's underlying member method code with example usage: obj.testBool() without return types