System Test: Module (WAZUH-DB) - Agent never_connected is added to a group with tool after the sync completes

[CamiRomero]

In this PR the test suite for Agent never_connected is added to a group with tool after the sync completes is added. A total of 2 new test cases covering different modes and combinations of options.

Related issues	#2513	#10771

Cases:

• Agent registered with group Y:
  - The agent is never_connected and registers with group to the master node using CLI
  - The agent is never_connected and registers with group to the worker node using CLI

---

Configuration options

In order to run the test, first the environment located in /test/system/provisioning/enrollment_cluster must be enabled with:
sudo ansible-playbook -i inventory.yml playbook.yml --extra-vars='{"wazuh_branch": "dev-10771-agent-groups-files-to-wazuh-db"}'

Local Internal Options: No Local Internal Options used

---

---

Tests Results

Test Path	Os/Type	Execution Type	Results	Date	By
test/system/test_cluster/test_agent_groups/test_assign_agent_to_a_group.py	CentOS - Manager	Local	🟢🟢🟢	09/03/2022	@CamiRomero

---

Required

• Proven that tests pass when they have to pass.
• Proven that tests fail when they have to fail.
• Python codebase satisfies PEP-8 style style guide. pycodestyle --max-line-length=120 --show-source --show-pep8 file.py.
• Python codebase is documented following the Google Style for Python docstrings.
• The test is documented in wazuh-qa/docs.

[Deblintrake09]

Tests Results

Test Path	Os/Type	Execution Type	Results	Date	By
test/system/test_cluster/test_agent_groups/test_assign_agent_to_a_group.py	CentOS - Manager	Local	🟢🟢🟢	09/03/2022	@Deblintrake09

[Deblintrake09]

Tests Results

Test Path	Os/Type	Execution Type	Results	Date	By
test/system/test_cluster/test_agent_groups/test_assign_agent_to_a_group.py	CentOS - Manager	Local	🟢	15/03/2022	@Deblintrake09