Fix regex value comparison

[GGP1]

Description

Closes wazuh/wazuh#27052.

Fixes a bug in the test_cluster_sync.py file that caused the test to fail.

Testing performed

Manual test

It uses the artifacts from the related issue description.

(venv) gasti@gasti:~/work/wazuh-qa/tests/reliability/test_cluster/test_cluster_logs/test_cluster_sync$ python3 -m pytest test_cluster_sync.py --artifacts_path='/home/gasti/Downloads/artifacts'
============================================================================================================ test session starts =============================================================================================================
platform linux -- Python 3.10.14, pytest-7.1.2, pluggy-1.5.0
rootdir: /home/gasti/work/wazuh-qa/tests, configfile: pytest.ini
plugins: metadata-3.1.1, testinfra-5.0.0, html-3.1.1
collected 1 item                                                                                                                                                                                                                             

test_cluster_sync.py .                                                                                                                                                                                                                 [100%]

============================================================================================================= 1 passed in 59.39s =============================================================================================================

[javiersanchz]

Review

The research is accurate, and the changes are correct.

It was confirmed that the test passes successfully.

LGTM!

[fdalmaup]

LGTM!