TestData: Add minInterval query option

public/app/plugins/datasource/testdata/plugin.json

@@ -7,6 +7,10 @@
   "alerting": true,
   "annotations": true,
 
+  "queryOptions": {
+    "minInterval": true
+  },
+
   "info": {
     "author": {
       "name": "Grafana Project",