[autobackport: sssd-2-10] Tests: Update LdapOperations to fail on bind immediately

[sssd-bot]

This is an automatic backport of PR#8740 Tests: Update LdapOperations to fail on bind immediately to branch sssd-2-10, created by @jakub-vavra-cz.

Please make sure this backport is correct.

Note

The commits were cherry-picked without conflicts.

You can push changes to this pull request

git remote add sssd-bot git@github.com:sssd-bot/sssd.git
git fetch sssd-bot refs/heads/SSSD-sssd-backport-pr8740-to-sssd-2-10
git checkout SSSD-sssd-backport-pr8740-to-sssd-2-10
git push sssd-bot SSSD-sssd-backport-pr8740-to-sssd-2-10 --force

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Original commits
9df13ca - Tests: Update LdapOperations to fail on bind immediately

Backported commits

• ee5cac4 - Tests: Update LdapOperations to fail on bind immediately

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Original Pull Request Body

Summary

• fail fast in LdapOperations.__init__ when LDAP bind fails, raising LdapException instead of keeping a tuple in self.conn
• initialize LDAP using self.uri so optional custom port values are honored
• avoid later misleading runtime errors such as 'tuple' object has no attribute 'modify_s' and surface the real bind problem early

[gemini-code-assist]

Code Review

This pull request updates the LDAP initialization in utils.py to use the correct self.uri (which includes the port if specified) instead of the un-ported uri. It also adds error handling to raise an LdapException if the connection binding fails and returns a tuple. There are no review comments, so no additional feedback is provided.

[spoore1]

LGTM. matches other backports and original. test failures not related to code change for multihost tests.

[sssd-bot]

The pull request was accepted by @spoore1 with the following PR CI status:

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🟢 CodeQL (success)
🟢 rpm-build:centos-stream-10-x86_64:upstream (success)
🔴 Build / make-distcheck (failure)
🟢 ci / prepare (success)
🔴 ci / system (centos-10) (failure)
🟢 Static code analysis / codeql (success)
🟢 Static code analysis / pre-commit (success)
🟢 Static code analysis / python-system-tests (success)

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