TEST_SIG_ERROR
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;
failed_test = TEST_SIG_ERROR;