test-bus-creds: are more debugging info

This test sometimes fails in semaphore, but not when run interactively,
so it's hard to debug.

diff --git a/src/libsystemd/sd-bus/test-bus-creds.c b/src/libsystemd/sd-bus/test-bus-creds.c
index 82237af11545f98daa6680e6c02bb781748102a3..6fdcfa41287d4dd5df3ab62c29ebd407741edaa9 100644 (file)
--- a/src/libsystemd/sd-bus/test-bus-creds.c
+++ b/src/libsystemd/sd-bus/test-bus-creds.c
@@ -27,12 +27,17 @@ int main(int argc, char *argv[]) {
         _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
         int r;
 
+        log_set_max_level(LOG_DEBUG);
+        log_parse_environment();
+        log_open();
+
         if (cg_all_unified() == -ENOMEDIUM) {
-                puts("Skipping test: /sys/fs/cgroup/ not available");
+                log_info("Skipping test: /sys/fs/cgroup/ not available");
                 return EXIT_TEST_SKIP;
         }
 
         r = sd_bus_creds_new_from_pid(&creds, 0, _SD_BUS_CREDS_ALL);
+        log_full_errno(r < 0 ? LOG_ERR : LOG_DEBUG, r, "sd_bus_creds_new_from_pid: %m");
         assert_se(r >= 0);
 
         bus_creds_dump(creds, NULL, true);