change default current time in tests

[ubyte]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

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[github-actions]

🟢 2025-09-26 18:20:47 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-09-26 18:23:10 UTC Pre-commit check linux-x86_64-relwithdebinfo for 263ab71 has started.
⚪ 2025-09-26 18:23:26 UTC Artifacts will be uploaded here
⚪ 2025-09-26 18:27:29 UTC ya make is running...
🟡 2025-09-26 19:57:18 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
40887	38054	0	35	2756	42

⚪ 2025-09-26 19:57:27 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-09-26 20:13:57 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
851 (only retried tests)	767	0	32	26	26

⚪ 2025-09-26 20:14:00 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-09-26 20:27:00 UTC Some tests failed, follow the links below.

Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
624 (only retried tests)	564	0	31	10	19

🟢 2025-09-26 20:27:03 UTC Build successful.
🟢 2025-09-26 20:27:24 UTC ydbd size 2.2 GiB changed* by 0 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 580503a	merge: 263ab71	diff	diff %
ydbd size	2 397 008 592 Bytes	2 397 008 592 Bytes	0 Bytes	0.000%
ydbd stripped size	512 481 192 Bytes	512 481 192 Bytes	0 Bytes	0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-09-26 18:23:19 UTC Pre-commit check linux-x86_64-release-asan for 263ab71 has started.
⚪ 2025-09-26 18:23:34 UTC Artifacts will be uploaded here
⚪ 2025-09-26 18:27:20 UTC ya make is running...
🟡 2025-09-26 20:34:43 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
17849	17342	0	204	273	30

🟢 2025-09-26 20:34:48 UTC Build successful.
🟢 2025-09-26 20:35:15 UTC ydbd size 3.7 GiB changed* by -96 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 580503a	merge: 263ab71	diff	diff %
ydbd size	3 986 662 296 Bytes	3 986 662 200 Bytes	-96 Bytes	-0.000%
ydbd stripped size	1 485 964 128 Bytes	1 485 964 064 Bytes	-64 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}