Fix testOooUnoMimemapper
Due to a5157949 cloudooo will retry 10 times before raising thus take this into account Raise rather than swallow.
Test do pass at https://nexedi.erp5.net/test_result_module/20191227-20A35E0F
Due to a5157949 cloudooo will retry 10 times before raising thus take this into account Raise rather than swallow.
Test do pass at https://nexedi.erp5.net/test_result_module/20191227-20A35E0F