Add UT for group cache, improve SentToWarden for local messages

[serbel324]

Changelog entry

Add unit tests for storage group configuration propagation via DistConf cache. Improve BSC's SendToWarden method, send message directly to local warden.

Changelog category

• Improvement

[github-actions]

🟢 2025-08-07 17:35:06 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-08-07 17:36:24 UTC Pre-commit check linux-x86_64-release-asan for ea0a50e has started.
⚪ 2025-08-07 17:36:40 UTC Artifacts will be uploaded here
⚫ 2025-08-07 17:37:21 UTC Check cancelled

[github-actions]

⚪ 2025-08-07 17:36:43 UTC Pre-commit check linux-x86_64-relwithdebinfo for ea0a50e has started.
⚪ 2025-08-07 17:36:58 UTC Artifacts will be uploaded here
⚫ 2025-08-07 17:37:21 UTC Check cancelled

[github-actions]

⚪ 2025-08-07 17:39:48 UTC Pre-commit check linux-x86_64-release-asan for e40725f has started.
⚪ 2025-08-07 17:40:03 UTC Artifacts will be uploaded here
⚪ 2025-08-07 17:43:22 UTC ya make is running...
🟡 2025-08-07 19:31:36 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14744	14323	0	96	302	23

🟢 2025-08-07 19:32:59 UTC Build successful.
🟡 2025-08-07 19:33:25 UTC ydbd size 4.0 GiB changed* by +126.7 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: f1c78aa	merge: e40725f	diff	diff %
ydbd size	4 247 870 800 Bytes	4 248 000 544 Bytes	+126.7 KiB	+0.003%
ydbd stripped size	1 469 950 552 Bytes	1 469 950 552 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]

⚪ 2025-08-07 17:39:50 UTC Pre-commit check linux-x86_64-relwithdebinfo for e40725f has started.
⚪ 2025-08-07 17:40:05 UTC Artifacts will be uploaded here
⚪ 2025-08-07 17:43:27 UTC ya make is running...
🟡 2025-08-07 19:00:42 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
37278	34487	0	4	2752	35

⚪ 2025-08-07 19:04:02 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-08-07 19:18:15 UTC Some tests failed, follow the links below. Going to retry failed tests...

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
1010 (only retried tests)	934	0	1	53	22

⚪ 2025-08-07 19:18:29 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-08-07 19:31:45 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
664 (only retried tests)	593	0	0	50	21

🟢 2025-08-07 19:31:56 UTC Build successful.
🟢 2025-08-07 19:32:17 UTC ydbd size 2.2 GiB changed* by +160 Bytes, which is < 100.0 KiB vs main: OK

ydbd size dash	main: f1c78aa	merge: e40725f	diff	diff %
ydbd size	2 414 561 096 Bytes	2 414 561 256 Bytes	+160 Bytes	+0.000%
ydbd stripped size	504 906 152 Bytes	504 906 216 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}

[github-actions]

⚪ 2025-08-08 08:53:12 UTC Pre-commit check linux-x86_64-release-asan for 732f60a has started.
⚪ 2025-08-08 08:53:26 UTC Artifacts will be uploaded here
⚪ 2025-08-08 08:56:53 UTC ya make is running...
🟡 2025-08-08 10:49:19 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14981	14552	0	100	304	25

🟢 2025-08-08 10:50:40 UTC Build successful.
🟢 2025-08-08 10:51:07 UTC ydbd size 4.0 GiB changed* by -3.9 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: b51b4d0	merge: 732f60a	diff	diff %
ydbd size	4 248 371 632 Bytes	4 248 367 600 Bytes	-3.9 KiB	-0.000%
ydbd stripped size	1 470 079 064 Bytes	1 470 079 320 Bytes	+256 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]

⚪ 2025-08-08 08:53:18 UTC Pre-commit check linux-x86_64-relwithdebinfo for 732f60a has started.
⚪ 2025-08-08 08:53:31 UTC Artifacts will be uploaded here
⚪ 2025-08-08 08:56:49 UTC ya make is running...
🟡 2025-08-08 10:13:38 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
37519	34728	0	6	2752	33

⚪ 2025-08-08 10:17:26 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-08-08 10:30:08 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
860 (only retried tests)	786	0	0	53	21

🟢 2025-08-08 10:30:18 UTC Build successful.
🟢 2025-08-08 10:30:38 UTC ydbd size 2.2 GiB changed* by -4.0 KiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 6966047	merge: 732f60a	diff	diff %
ydbd size	2 414 811 176 Bytes	2 414 807 112 Bytes	-4.0 KiB	-0.000%
ydbd stripped size	504 942 632 Bytes	504 942 632 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}