ASSERT_THAT(*float_graph->operators(), SizeIs(4));
  // The resulting model should be:
  // reshape->dequantize->custom->custom->quantize->squeeze.
  ASSERT_THAT(subgraph->operators, SizeIs(6));
  const std::vector<BuiltinOperator> op_codes = {
      BuiltinOperator_RESHAPE,  BuiltinOperator_DEQUANTIZE,
      BuiltinOperator_CUSTOM,   BuiltinOperator_CUSTOM,
      BuiltinOperator_QUANTIZE, BuiltinOperator_SQUEEZE};