diff --git a/middlewares/auth.middleware.js b/middlewares/auth.middleware.js
index 62586ac..bcb7a23 100644
--- a/middlewares/auth.middleware.js
+++ b/middlewares/auth.middleware.js
@@ -6,6 +6,7 @@ module.exports = function (options) {
   const { userDB, jsonResponse, exceptions } = options
 
   const renderLogin = (req, res) => {
+    res.status('401') // Unauthorized
     if (jsonResponse) {
       res.json({
         result: 'nouser',
diff --git a/modules/api/api.js b/modules/api/api.js
index 0835d7d..7381bce 100644
--- a/modules/api/api.js
+++ b/modules/api/api.js
@@ -41,6 +41,7 @@ const dailyDataCountFile = 'stats/dailyDataCount'
 const usersDbBackupPath = 'data/dbs/backup'
 const quickVoteResultsDir = 'stats/qvote'
 const quickVotes = 'stats/qvote/votes.json'
+const testUsersFile = 'data/testUsers.json'
 
 // other constants
 const maxVeteranPwGetCount = 10
@@ -104,6 +105,7 @@ function GetApp () {
   var data = actions.LoadJSON(dataFile)
   var version = ''
   var motd = ''
+  var testUsers = []
 
   function LoadVersion () {
     version = utils.ReadFile(versionFile)
@@ -113,6 +115,13 @@ function GetApp () {
     motd = utils.ReadFile(motdFile)
   }
 
+  function LoadTestUsers () {
+    testUsers = utils.ReadJSON(testUsersFile)
+    if (testUsers) {
+      testUsers = testUsers.userIds
+    }
+  }
+
   function Load () {
     utils.WatchFile(motdFile, (newData) => {
       logger.Log(`Motd changed: ${newData.replace(/\/n/g, '')}`)
@@ -122,7 +131,12 @@ function GetApp () {
       logger.Log(`Version changed: ${newData.replace(/\/n/g, '')}`)
       LoadVersion()
     })
+    utils.WatchFile(testUsersFile, (newData) => {
+      logger.Log(`Test Users file changed: ${newData.replace(/\/n/g, '')}`)
+      LoadTestUsers()
+    })
 
+    LoadTestUsers()
     LoadVersion()
     LoadMOTD()
   }
@@ -566,12 +580,17 @@ function GetApp () {
   app.post('/isAdding', function (req, res) {
     logger.LogReq(req)
 
+    const user = req.session.user
+
+    const dryRun = testUsers.includes(user.id)
+
     // automatically saves to dataFile every n write
     // FIXME: req.body.datatoadd is for backwards compatibility, remove this sometime in the future
     let result = actions.ProcessIncomingRequest(
       req.body.datatoadd || req.body,
       data,
-      { motd, version }
+      { motd, version },
+      dryRun
     )
 
     res.json({
diff --git a/modules/qmining/qmining-page b/modules/qmining/qmining-page
index d7fffa5..ada93f0 160000
--- a/modules/qmining/qmining-page
+++ b/modules/qmining/qmining-page
@@ -1 +1 @@
-Subproject commit d7fffa50d013f97898dbde212c401a647f2cf999
+Subproject commit ada93f0bb9b87863e04130e2db77ca52e8087058
diff --git a/qminingPublic/moodle-test-userscript b/qminingPublic/moodle-test-userscript
index 2c815c8..f8d4bf2 160000
--- a/qminingPublic/moodle-test-userscript
+++ b/qminingPublic/moodle-test-userscript
@@ -1 +1 @@
-Subproject commit 2c815c8d20b6c25a4214d6118760d993f2287f36
+Subproject commit f8d4bf2a414d2973582c08bfa8b8b8f19389b2e9
diff --git a/utils/actions.js b/utils/actions.js
index 6c84190..a230100 100755
--- a/utils/actions.js
+++ b/utils/actions.js
@@ -38,7 +38,7 @@ const minMatchAmmountToAdd = 90 // FIXME: test this value
 const writeAfter = 1 // write after # of adds FIXME: set reasonable save rate
 var currWrites = 0
 
-function ProcessIncomingRequest (recievedData, qdb, infos) {
+function ProcessIncomingRequest (recievedData, qdb, infos, dryRun) {
   logger.DebugLog('Processing incoming request', 'actions', 1)
   if (recievedData === undefined) {
     logger.Log('\tRecieved data is undefined!', logger.GetColor('redbg'))
@@ -108,7 +108,7 @@ function ProcessIncomingRequest (recievedData, qdb, infos) {
 
       currWrites++
       logger.DebugLog('currWrites for data.json: ' + currWrites, 'actions', 1)
-      if (currWrites >= writeAfter) {
+      if (currWrites >= writeAfter && !dryRun) {
         currWrites = 0
         try {
           qdb.version = infos.version
@@ -120,6 +120,8 @@ function ProcessIncomingRequest (recievedData, qdb, infos) {
         logger.DebugLog('Writing data.json', 'actions', 1)
         utils.WriteFile(JSON.stringify(qdb), dataFile)
         logger.Log('\tData file written', color)
+      } else if (dryRun) {
+        logger.Log('\tDry run')
       }
     } else {
       msg += `No new data ( ${allQLength} )`