- skip GC tests here when coverage is enabled, seems to interfere
- skip GC tests here when coverage is enabled, seems to interfere

zzzeek/sqlalchemy,j5int/sqlalchemy,monetate/sqlalchemy,sqlalchemy/sqlalchemy,robin900/sqlalchemy,wujuguang/sqlalchemy,bdupharm/sqlalchemy,monetate/sqlalchemy,sandan/sqlalchemy,graingert/sqlalchemy,graingert/sqlalchemy,sandan/sqlalchemy,bdupharm/sqlalchemy,wujuguang/sqlalchemy,robin900/sqlalchemy,j5int/sqlalchemy