Test: Script to test PRs

Change Summary

Script to test PR using ATD

Deploy ATD with Datacenter topology and ceos image.
Copy paste the install.sh script from this PR under /home/coder/project/persist
Run install script with any PR you wish to test.
- Eg: sh install.sh 553
- NOTE: The script is not entirely testable since it assumes that tests/PR_testing/ansible.cfg and tests/PR_testing/inventory.yaml to be present in devel.
- Place the contents of ansible.cfg from this PR under /home/coder/project/persist/arista-ansible/ansible-cvp/tests/PR_testing/ansible.cfg
- Place the contents of inventory.yaml from this PR under /home/coder/project/persist/arista-ansible/ansible-cvp/tests/PR_testing/inventory.yaml
cp -r /home/coder/project/persist/arista-ansible/ansible-cvp/tests/PR_testing/ansible.cfg /home/coder/project/persist/PR_testing
cp -r /home/coder/project/persist/arista-ansible/ansible-cvp/tests/PR_testing/inventory.yaml /home/coder/project/persist/PR_testing
cd /home/coder/project/persist/PR_testing
ansible-galaxy collection install community.general
ansible-galaxy collection install ansible.netcommon
ansible-galaxy collection install arista.eos
Edit ansible_password variable in /home/coder/project/persist/PR_testing/inventory.yaml
Now, our environment is ready to test a PR.
Example playbooks to test can be found in /home/coder/project/persist/PR_testing/

[x] My code has been rebased from devel before I start
[x] I have read the CONTRIBUTING document.
[x] My change requires a change to the documentation and documentation have been updated accordingly. (check the box if not applicable)
[ ] I have updated molecule CI testing accordingly. (check the box if not applicable)