Add integration tests for AWS WAF v2

[javiersanchz]

Epic
#23361

Description

The objective of this issue is to add integration tests for WAF v2 once the development of the following issues has been completed:

• Modify AWS module to process logs from WAF v2 #22572
• Add a new parameter to iterate over different ACLs for WAF v2 #23363

Task

• Add integration tests for WAF

Checks

The following elements have been updated or reviewed (should also be checked if no modification is required):

• Tests (unit tests, API integration tests).
• Changelog.
• Documentation.
• Integration test mapping (using api/test/integration/mapping/_test_mapping.py).