test: add a simple test for daemon-reexec

diff --git a/test/units/testsuite-03.sh b/test/units/testsuite-03.sh
index 070e978cda11ed54eed0e10c08e8fac4fb0da7da..7c5a3b8f193a22203a4c06d56339c99c8544f8f9 100755 (executable)
--- a/test/units/testsuite-03.sh
+++ b/test/units/testsuite-03.sh
@@ -3,6 +3,10 @@
 set -eux
 set -o pipefail
 
+# Simple test for that daemon-reexec works in container.
+# See: https://github.com/systemd/systemd/pull/23883
+systemctl daemon-reexec
+
 # Test merging of a --job-mode=ignore-dependencies job into a previously
 # installed job.