test: add one missing cleanup

So the test doesn't fail when run multiple times with the same image.

diff --git a/test/units/testsuite-50.sh b/test/units/testsuite-50.sh
index 1a379ee061c94104c323efea97107f829a389adc..d12323607d926e5cfbcbd823040402c029e45e3a 100755 (executable)
--- a/test/units/testsuite-50.sh
+++ b/test/units/testsuite-50.sh
@@ -641,6 +641,7 @@ systemctl status foo.service 2>&1 | grep -q -F "Warning"
 systemd-sysext merge
 systemd-sysext unmerge
 systemctl status foo.service 2>&1 | grep -v -q -F "Warning"
+rm /var/lib/extensions/app-reload.raw
 
 # Test systemd-repart --make-ddi=:
 if command -v mksquashfs >/dev/null 2>&1; then