Test | Fix pool reflection in tests

[mdaigle]

Description

My last PR ran as a forked build and so missed some tests that use reflection to access pool properties. This PR corrects the issue and runs as a branch build to ensure full coverage.

Issues

Fixes test failures due to #3352

Testing

Runs full test suite (including branch-build-only tests)

Guidelines

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[Copilot]

Pull Request Overview

This PR fixes issues with test failures by correcting the reflection usage to access pool properties in authentication tests.

• Changed reflection binding flags for "AuthenticationContexts" from non-public to public.
• Ensured that tests now correctly access the intended property using the updated API.

Comments suppressed due to low confidence (1)

src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/Common/SystemDataInternals/FedAuthTokenHelper.cs:99

• The change from BindingFlags.NonPublic to BindingFlags.Public indicates an adjustment to access a now public member. Please confirm that this update aligns with the overall API design and that any related documentation has been updated accordingly.

IEnumerable authenticationContexts = (IEnumerable)databaseConnectionPoolObj.GetType().GetProperty("AuthenticationContexts", BindingFlags.Public | BindingFlags.Instance).GetValue(databaseConnectionPoolObj, null);

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.45%. Comparing base (b8948f2) to head (2fd3001).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3379      +/-   ##
==========================================
- Coverage   67.04%   64.45%   -2.59%     
==========================================
  Files         300      298       -2     
  Lines       65376    65525     +149     
==========================================
- Hits        43831    42236    -1595     
- Misses      21545    23289    +1744     

Flag	Coverage Δ
addons	92.58% <ø> (ø)
netcore	68.48% <ø> (-3.72%)	⬇️
netfx	65.37% <ø> (+0.18%)	⬆️

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