podman logs passthrough driver support --cgroups=split

When run with --cgroups=split mode (e.g. quadlet) we do not use the a
separate cgroup for the container and just run in the unit cgroup.
When we filter logs we thus must match the unit name.
Added a small test to the quadlet test to make sure it will work.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

test/system/252-quadlet.bats

@@ -141,7 +141,7 @@ function remove_secret() {
     cat > $quadlet_file <<EOF
 [Container]
 Image=$IMAGE
-Exec=sh -c "echo STARTED CONTAINER; echo "READY=1" | socat -u STDIN unix-sendto:\$NOTIFY_SOCKET; top"
+Exec=sh -c "echo STARTED CONTAINER; echo "READY=1" | socat -u STDIN unix-sendto:\$NOTIFY_SOCKET; sleep inf"
 Notify=yes
 EOF
 
@@ -152,6 +152,10 @@ EOF
     run journalctl "--since=$STARTED_TIME" --unit="$QUADLET_SERVICE_NAME"
     is "$output" '.*STARTED CONTAINER.*'
 
+    # check that we can read the logs from the container with podman logs
+    run_podman logs $QUADLET_CONTAINER_NAME
+    assert "$output" == "STARTED CONTAINER" "podman logs works on quadlet container"
+
     run_podman container inspect  --format "{{.State.Status}}" $QUADLET_CONTAINER_NAME
     is "$output" "running" "container should be started by systemd and hence be running"