Merge pull request #580 from truenas/syncthing-test-values

NAS-117062 / 22.12 / Update test values for syncthing in CI

test/syncthing/upgrade_info.json

@@ -1 +1 @@
-{"filename":  "ix_values.yaml", "keys": ["image"]}
+{"filename":  "ix_values.yaml", "keys": ["image"], "test_filename": "test_values.yaml"}