Fix test_remoted cases for failures caused by new development of Wazuh DB

[damarisg]

Description

Working on Migrate agent-group files to wazuh-db, the core team detected that there are affected tests by the new changes.

The objective of this issue is to perform the refactor of each affected test.

Failure output:

FileNotFoundError: [Errno 2] No such file or directory: '/var/ossec/queue/agent-groups/036'

To Do

• Investigate why the test fails
• Fix each test of Remoted that show any error related to Wazuh_DB

[CamiRomero]

Task 1 - Investigate why the test fails

The test fails because it is use the old method to assign an agent to a group. This test is affected by Issue 10771.

Is necessary to modify the test and assign agent to a group using API or agent_groups tool

[CamiRomero]

Task 2 - Fix each test of Remoted that show any error related to Wazuh_DB

The changes are in branch 2825_fix_multigroups.

The changes are: adding an agent to a default groups and a specific group (multigroup) using agent_groups tool