Disable imageharvest tests
Disable imageharvest tests

The error is unreproducable on my machine, and script_tests
is difficult to comprehend. Therefore go for the quick and
dirty fix: disable the tests altogether.

Change-Id: I4adf834ba224acd5979133d611c314a997b366c5
Task: T167726

happy5214/pywikibot-core,happy5214/pywikibot-core,hasteur/g13bot_tools_new,hasteur/g13bot_tools_new,wikimedia/pywikibot-core,magul/pywikibot-core,npdoty/pywikibot,hasteur/g13bot_tools_new,wikimedia/pywikibot-core,magul/pywikibot-core,npdoty/pywikibot,PersianWikipedia/pywikibot-core