cubicweb #1381452 [tests] weird message wrt sqlite [rejected]

 File "/home/auc/src/fcw/logilab/database/sqlite.py", line 174, in execute
   self.__class__.__bases__[0].execute(self, final_sql , kwargs)
DatabaseError: database disk image is malformed
prioritynormal
typebug
done in<not specified>
load0.000
load left0.000
closed by<not specified>