fixup! Deployment: add endoflife

A test is added for future regression

tests/vmcheck/test-basic.sh

@@ -46,3 +46,15 @@ echo "ok layering requires root"
 # Assert that we can do status as non-root
 vm_cmd "runuser -u bin rpm-ostree status"
 echo "ok status doesn't require root"
+
+# Check EndOfLife parsing functionality
+META_ENDOFLIFE_MESSAGE="this_is_a_test"
+commit=$(vm_cmd ostree commit -b vmcheck \
+            --tree=ref=vmcheck --add-metadata-string=ostree.endoflife=$META_ENDOFLIFE_MESSAGE)
+vm_rpmostree upgrade
+vm_assert_status_jq ".deployments[0][\"endoflife\"] == \"${META_ENDOFLIFE_MESSAGE}\""
+
+# Build a layered commit and check if EndOfLife attribute still present
+vm_build_rpm foo
+vm_rpmostree install foo
+vm_assert_status_jq ".deployments[0][\"endoflife\"] == \"${META_ENDOFLIFE_MESSAGE}\""