Additional unit tests

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9990 5227b50d-9349-4574-b055-4b0a7525e11c
For https://en.wikipedia.org/wiki/Wikipedia_talk:AutoWikiBrowser/Feature_requests#Expand_FixNonBreakingSpaces_for_temperatures

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9991 5227b50d-9349-4574-b055-4b0a7525e11c