codetools: added test for find declaration nested class

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40199 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: added test for find declaration nested class

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40200 4005530d-fff6-0310-9dd1-cebe43e6787f