tests for arwiki stubs

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9298 5227b50d-9349-4574-b055-4b0a7525e11c
Fix for https://en.wikipedia.org/wiki/Wikipedia_talk:AutoWikiBrowser/Bugs#ArgumentOutOfRangeException_in_Tools.ReplaceWith

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9299 5227b50d-9349-4574-b055-4b0a7525e11c
tests for arwiki stubs

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code/AWB@9300 5227b50d-9349-4574-b055-4b0a7525e11c