[autobackport: sssd-2-9] tests: add pysss_nss_idmap system test

[sssd-bot]

This is an automatic backport of PR#8133 tests: add pysss_nss_idmap system test to branch sssd-2-9, created by @sumit-bose.

Caution

@sumit-bose The patches did not apply cleanly. It is necessary to resolve conflicts before merging this pull request. Commits that introduced conflict are marked with CONFLICT!.

You can push changes to this pull request

git remote add sssd-bot [email protected]:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8133-to-sssd-2-9
git checkout SSSD-sssd-backport-pr8133-to-sssd-2-9
git push sssd-bot SSSD-sssd-backport-pr8133-to-sssd-2-9

---

Original commits

• 41ff7cc - tests: add pysss_nss_idmap system test
• ac89ea8 - intg: remove test_pysss_nss_idmap.py

Backported commits

• ccf4d8e - tests: add pysss_nss_idmap system test
• d764c39 - CONFLICT! intg: remove test_pysss_nss_idmap.py

---

Original Pull Request Body

The new system test is mostly a 1:1 replacement of the exisintg integration test.

[sssd-bot]

The pull request was accepted by @thalman with the following PR CI status:

---

🟢 CodeQL (success)
🟢 rpm-build:centos-stream-9-x86_64:upstream (success)
🟢 Analyze (target) / cppcheck (success)
🟢 Build / make-distcheck (success)
🟢 ci / prepare (success)
🟢 ci / system (centos-9) (success)
🟢 Static code analysis / codeql (success)
🟢 Static code analysis / pre-commit (success)
🟢 Static code analysis / python-system-tests (success)

---

There are unsuccessful or unfinished checks. Make sure that the failures are not related to this pull request before merging.