Add test regarding tmp directory

server/tests/api/videos/multiple-servers.ts

@@ -8,6 +8,7 @@ import { VideoPrivacy } from '../../../../shared/models/videos'
 import { VideoComment, VideoCommentThreadTree } from '../../../../shared/models/videos/video-comment.model'
 import {
   addVideoChannel,
+  checkTmpIsEmpty,
   checkVideoFilesWereRemoved,
   completeVideoCheck,
   createUser,
@@ -1008,6 +1009,14 @@ describe('Test multiple servers', function () {
     })
   })
 
+  describe('TMP directory', function () {
+    it('Should have an empty tmp directory', async function () {
+      for (const server of servers) {
+        await checkTmpIsEmpty(server)
+      }
+    })
+  })
+
   after(async function () {
     killallServers(servers)