Create a custom tasksequence named InstallApps, add the application(s) needed for testing.
Map deploymentshare.
cscript.exe \\server\share$\Scripts\LiteTouch.vbs /skipcomputername:YES /skipapplications:NO /FinishAction:blank /Skiptasksequence:YES /BuildID:InstallApps /SkipFinalSummary:NO /SkipBuildID:YES
Big thanks to Søren H !