code: def test_args_single_arg(self):
      shape = (2, 3, 4)
      a = KerasTensor(shape=shape)
      args = SymbolicArguments((a))
  
      self.assertEqual(args.keras_tensors, [a])
      self.assertEqual(args._flat_arguments, [a])
      self.assertEqual(len(args.kwargs), 0)
      self.assertEqual(isinstance(args.args[0], KerasTensor), True)
      self.assertEqual(args._single_positional_tensor, a)
  
file_path: keras/keras/ops/symbolic_arguments_test.py
imports: import tree
  from keras import testing
  from keras.backend import KerasTensor
  from keras.ops.symbolic_arguments import SymbolicArguments
label_desc: Use image node_id 2 for calling the SymbolicArgumentsTest obj's underlying member method code with example usage: obj.test_args_single_arg() without return types