fix tests

Author: neolynx

system/t02_config/ConfigShowTest_gold

@@ -28,7 +28,7 @@
     "enableMetricsEndpoint": true,
     "logLevel": "debug",
     "logFormat": "default",
-    "serveInAPIMode": true
+    "serveInAPIMode": true,
     "databaseBackend": {
         "type": "",
         "url": "",

system/t02_config/CreateConfigTest_gold

@@ -28,7 +28,7 @@
   "enableMetricsEndpoint": false,
   "logLevel": "debug",
   "logFormat": "default",
-  "serveInAPIMode": false
+  "serveInAPIMode": false,
   "databaseBackend": {
     "type": "",
     "url": "",