1d5c265 PR#3734: Fix timezone in clone-tag test case

Authored and Committed by tkopecek a year ago
    PR#3734: Fix timezone in clone-tag test case
    
    Merges #3734
    https://pagure.io/koji/pull-request/3734
    
    Fixes: #3733
    https://pagure.io/koji/issue/3733
    clone-tag unit test fails in other timezones