How to stop "Monkey Test" and "Time Service" apps
"Monkey Test" and "Time Service" are being reported recently by some anti-virus programs for Android as malware, as reported here in the Norton Community forum, and here at Android Central. In general form, they suggest the normal actions: 


Disabling installations from "Unknown Sources",
 Settings -> Security -> Device administration -> Unknown sources
Disabling the app,
 Settings -> Application manager -> AppName -> Disable/Uninstall
Checking to see if "Device Administrators" has it blocked from uninstalling, and then trying the uninstall again.
 Settings -> Security -> Device administration - > Device administrators
Factory Reset


Both communities also suggest the use of some uninstallers for malware, which I won't cover here, in addition to rooting as a final option to totally remove it/them.