diff --git a/appveyor.yml b/appveyor.yml
index 2597d7ad8682..351f1983fbbd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -123,8 +123,8 @@ for:
         Copy-Item "$env:APPVEYOR_BUILD_FOLDER\PowerEditor\installer\filesForTesting\overrideMap.xml" -Destination "$env:APPVEYOR_BUILD_FOLDER\PowerEditor\bin\functionList"
 
         cd .\PowerEditor\Test\FunctionList\
-        #.\unitTestLauncher.ps1
-        #if ($LastExitCode -ne 0) { $host.SetShouldExit($LastExitCode) }
+        .\unitTestLauncher.ps1
+        if ($LastExitCode -ne 0) { $host.SetShouldExit($LastExitCode) }
 
         cd ..\UrlDetection
         .\verifyUrlDetection.ps1