CLI-1307| Integration tests

[ashu-taide]

Motivation
Integration tests that will execute on ubuntu that will simulate how user uses acli on ubuntu

Proposed changes
Integration tests added in

Alternatives considered

Testing steps

1. Follow the contribution guide to set up your development environment or download a pre-built acli.phar for this PR.
2. Clear the kernel cache to pick up new and changed commands: ./bin/acli ckc
3. (add specific steps for this pr)
4. install python3
5. on macos rm ~/.acquia/cloud_api.conf
6. on linux rm /root/.config/acquia/cloud_api.conf
7. export APPLICATION_UUID="appuuid"
8. export APPLICATION_NAME="appname"
9. export ACLI_AUTH_TOKEN="authtoken"
10. export ACLI_AUTH_SECRET="authsecret"
11. Run python3 -m unittest discover -s tests/integration/testcases in the cli directory

[github-actions]

Try the dev build for this PR: https://acquia-cli.s3.amazonaws.com/build/pr/1773/acli.phar

curl -OL https://acquia-cli.s3.amazonaws.com/build/pr/1773/acli.phar
chmod +x acli.phar

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.02%. Comparing base (12e1dc5) to head (d17389f).
Report is 30 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1773      +/-   ##
============================================
+ Coverage     91.73%   92.02%   +0.29%     
- Complexity     1810     1819       +9     
============================================
  Files           121      121              
  Lines          6506     6838     +332     
============================================
+ Hits           5968     6293     +325     
- Misses          538      545       +7     

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[danepowell]

@ashu-taide this looks great, thanks. Anything you need before I formally approve and merge this?