TEMP commit: test Kibana API action

src/plugins/timelion/server/deprecations.ts

@@ -62,6 +62,10 @@ export async function getDeprecations({
           'In the toolbar, click Save.',
           'On the Save visualization window, enter the visualization Title, then click Save and return.',
         ],
+        api: {
+          method: 'POST',
+          path: '/api/upgrade_assistant/test',
+        },
       },
     });
   }

x-pack/plugins/upgrade_assistant/server/plugin.ts

@@ -31,6 +31,7 @@ import { registerReindexIndicesRoutes, createReindexWorker } from './routes/rein
 import { registerTelemetryRoutes } from './routes/telemetry';
 import { registerUpdateSettingsRoute } from './routes/update_index_settings';
 import { telemetrySavedObjectType, reindexOperationSavedObjectType } from './saved_object_types';
+import { registerTestRoutes } from './routes/test';
 
 import { RouteDependencies } from './types';
 
@@ -113,6 +114,7 @@ export class UpgradeAssistantServerPlugin implements Plugin {
     // Bootstrap the needed routes and the collector for the telemetry
     registerTelemetryRoutes(dependencies);
     registerUpdateSettingsRoute(dependencies);
+    registerTestRoutes(dependencies);
 
     if (usageCollection) {
       getStartServices().then(([{ savedObjects: savedObjectsService, elasticsearch }]) => {

x-pack/plugins/upgrade_assistant/server/routes/test.ts

@@ -0,0 +1,35 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { API_BASE_PATH } from '../../common/constants';
+import { versionCheckHandlerWrapper } from '../lib/es_version_precheck';
+import { RouteDependencies } from '../types';
+
+export function registerTestRoutes({ router }: RouteDependencies) {
+  router.post(
+    {
+      path: `${API_BASE_PATH}/test`,
+      validate: false,
+    },
+    versionCheckHandlerWrapper(
+      async (
+        {
+          core: {
+            savedObjects: { client: savedObjectsClient },
+            elasticsearch: { client },
+          },
+        },
+        request,
+        response
+      ) => {
+        return response.ok({
+          body: {},
+        });
+      }
+    )
+  );
+}