clean up tmp test files in the end

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22983 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
7025: issue with python3 and unicode string

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22986 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Use cuni rather than unicode

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22988 4ae1f11a-8b86-4847-b8af-ab372f36d1fd