docs(tests): fix CommentChecker findings across tests/ — 13,392 → 0 (repo-wide scan clean)

Comment/XML-doc changes only:
- add summaries to ~10k test methods, fixtures, fakes and helpers
  (+ <param> on theories, <returns> on async Task methods,
  <inheritdoc/> on interface implementations the checker can resolve)
- strip ~2.6k project-tracking references (WP*, P*-*, row-NN, Task N,
  #NN, Component-0NN) from comments, keeping the explanatory text;
  reword false positives in comments only
- real docs on fakes implementing BCL/library interfaces
  (IDisposable, ILogger, IOptionsMonitor, IAsyncLifetime)
- reword the last 5 src/ false positives (CWE-1236, failures-1,
  year-0001, M365)

Only non-comment edits: four one-line nested classes split across lines
so members can carry docs. Build 0 errors / 0 warnings.

tests/ZB.MOM.WW.ScadaBridge.CentralUI.Tests/Services/PendingUpdatesCacheTests.cs

@@ -22,6 +22,7 @@ public class PendingUpdatesCacheTests : IDisposable
     private readonly IPendingUpdatesEvaluator _evaluator = Substitute.For<IPendingUpdatesEvaluator>();
     private readonly ServiceProvider _provider;
 
+    /// <summary>Initializes a service provider that resolves the substitute pending-updates evaluator.</summary>
     public PendingUpdatesCacheTests()
     {
         var services = new ServiceCollection();
@@ -40,6 +41,8 @@ public class PendingUpdatesCacheTests : IDisposable
     private static PendingUpdatesSnapshot Snapshot() =>
         new(T0, Array.Empty<SitePendingUpdates>());
 
+    /// <summary>Verifies that concurrent callers share a single evaluation.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task ConcurrentCallers_ShareOneEvaluation()
     {
@@ -56,6 +59,8 @@ public class PendingUpdatesCacheTests : IDisposable
         Assert.All(results, r => Assert.Same(results[0], r));
     }
 
+    /// <summary>Verifies that a call within the TTL serves the memoized value without re-evaluating.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task WithinTtl_ServesTheMemoizedValue_WithoutReEvaluating()
     {
@@ -69,6 +74,8 @@ public class PendingUpdatesCacheTests : IDisposable
         Assert.Same(first, second);
     }
 
+    /// <summary>Verifies that a forced refresh bypasses a still-fresh cached value.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task ForceRefresh_BypassesAFreshValue()
     {
@@ -85,6 +92,8 @@ public class PendingUpdatesCacheTests : IDisposable
         Assert.Same(snapshotB, forced);
     }
 
+    /// <summary>Verifies that a forced refresh still joins an evaluation that is already in flight.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task ForceRefresh_StillJoinsAnInFlightRound()
     {
@@ -106,6 +115,8 @@ public class PendingUpdatesCacheTests : IDisposable
         await _evaluator.Received(1).EvaluateAsync(Arg.Any<CancellationToken>());
     }
 
+    /// <summary>Verifies that a failed evaluation surfaces to the caller and is not memoized.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
     [Fact]
     public async Task FailedEvaluation_SurfacesToTheCaller_AndIsNotMemoized()
     {
@@ -125,5 +136,6 @@ public class PendingUpdatesCacheTests : IDisposable
         await _evaluator.Received(2).EvaluateAsync(Arg.Any<CancellationToken>());
     }
 
+    /// <summary>Releases the resources held by the test fixture.</summary>
     public void Dispose() => _provider.Dispose();
 }