Added assertNoError to PluginTestCase
Added assertNoError to PluginTestCase

ProgVal/Limnoria-test,jeffmahoney/supybot,buildbot/supybot,prashantpawar/supybot-rothbot,ProgVal/Limnoria-test,mazaclub/mazabot-core,frumiousbandersnatch/supybot-code,Ban3/Limnoria,raboof/supybot,haxwithaxe/supybot,kblin/supybot-gsoc,mazaclub/mazabot-core,Ban3/Limnoria