result = nftw(TEST_APP_DIR, &nftw_remove_labels, FTW_MAX_FDS, FTW_PHYS);
RUNNER_ASSERT_MSG(result == 0, "Unable to clean up Smack labels in " << TEST_APP_DIR);
result = nftw(TEST_NON_APP_DIR, &nftw_set_labels_non_app_dir, FTW_MAX_FDS, FTW_PHYS);
RUNNER_ASSERT_MSG(result == 0, "Unable to clean up Smack labels in " << TEST_NON_APP_DIR);
result = nftw(TEST_APP_DIR, &nftw_remove_labels, FTW_MAX_FDS, FTW_PHYS);
RUNNER_ASSERT_MSG(result == 0, "Unable to clean up Smack labels in " << TEST_APP_DIR);
result = nftw(TEST_NON_APP_DIR, &nftw_set_labels_non_app_dir, FTW_MAX_FDS, FTW_PHYS);
RUNNER_ASSERT_MSG(result == 0, "Unable to clean up Smack labels in " << TEST_NON_APP_DIR);