"Failed at tf.Const op\nsee current operation: %0 = "
                "\"tf.Const\"() <{value = dense<1> : tensor<4xi32>}> : () -> "
                "tensor<4xi32>\nError code: ERROR_NEEDS_FLEX_OPS",
                ConverterErrorData::ERROR_NEEDS_FLEX_OPS, "tf.Const",
                mlir::FileLineColLoc::get(input_file_id, 2, 9))),
            1);
  EXPECT_EQ(collected_errors.count(NewConverterErrorData(