test: create automated tests for ldap login

[jessicaschelly]

Proposed changes (including videos or screenshots)

Introduces end-to-end tests for LDAP authentication functionality with automated Docker-based test infrastructure.

New Files Added:

• apps/meteor/tests/e2e/ldap.spec.ts - Main LDAP test suite with 3 test scenarios
• apps/meteor/tests/e2e/containers/ldap/Dockerfile - OpenLDAP container setup
• apps/meteor/tests/e2e/containers/ldap/docker-compose.yml - Container orchestration
• apps/meteor/tests/e2e/containers/ldap/config/test_users.ldif - Test user data configuration

Modified Files:

• apps/meteor/tests/e2e/fixtures/userStates.ts - Added ldapuser1 test state

Test Coverage:

• Connection Test - Validates LDAP server connectivity via /ldap.testConnection
• User Search Test - Tests user discovery via /ldap.testSearch
• Authentication Test - Complete login flow with field mapping validation (uid → username, cn → name, mail → email)

Issue(s)

QA-95

Steps to Reproduce

Expected results:

• All 3 tests should pass (Connection, User Search, Login)
• User should be created in Rocket.Chat with proper field mapping
• Docker containers should start/stop cleanly

Further comments

• Uses OpenLDAP 1.3.0 container with domain rcldap.com.br
• Includes proper CI support with host.docker.internal for container networking
• Automatic setup/teardown ensures test isolation
• Foundation for future LDAP testing scenarios (group sync, SSL, role mapping)

[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is missing the 'stat: QA assured' label
• This PR is missing the required milestone or project

Please fix the issues and try again

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[changeset-bot]

⚠️ No Changeset found

Latest commit: b8f856d

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.15%. Comparing base (83eeed0) to head (b8f856d).
⚠️ Report is 38 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #36810      +/-   ##
===========================================
+ Coverage    65.51%   66.15%   +0.64%     
===========================================
  Files         3152     3303     +151     
  Lines       106869   110991    +4122     
  Branches     20265    21058     +793     
===========================================
+ Hits         70010    73427    +3417     
- Misses       34257    34893     +636     
- Partials      2602     2671      +69     

Flag	Coverage Δ
e2e	57.31% <ø> (+1.34%)	⬆️
unit	71.49% <ø> (+0.24%)	⬆️

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