[PDI-12560][TEST]: HTTP step add date and time to file name options doesnot work properly

There is a unit test.
[PDI-12560]: HTTP step add date and time to file name options doesnot work properly

There is a fix.
Merge pull request #690 from TatsianaKasiankova/PDI-12560

PDI-12560:  HTTP step add date and time to file name options doesnot work properly