IntegrationTests now collects logs from all test methods
    
    logs_dict should not be cleared. It's filled once per class and it
    should not be cleared after running the first test.
    
    https://pagure.io/freeipa/issue/7310
    https://pagure.io/freeipa/issue/7335
    
    Reviewed-By: Michal Reznik <mreznik@redhat.com>