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/Shared/KeysetPagerTests.cs

@@ -10,6 +10,7 @@ namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Shared;
 /// </summary>
 public class KeysetPagerTests : BunitContext
 {
+    /// <summary>Verifies that the Prev button is disabled when the pager cannot go back.</summary>
     [Fact]
     public void PrevDisabled_WhenCannotGoBack()
     {
@@ -22,6 +23,7 @@ public class KeysetPagerTests : BunitContext
         Assert.NotNull(prev.GetAttribute("disabled"));
     }
 
+    /// <summary>Verifies that the Next button is disabled when there is no next page.</summary>
     [Fact]
     public void NextDisabled_WhenNoNextPage()
     {
@@ -34,6 +36,7 @@ public class KeysetPagerTests : BunitContext
         Assert.NotNull(next.GetAttribute("disabled"));
     }
 
+    /// <summary>Verifies that clicking Prev invokes the OnPrevious callback.</summary>
     [Fact]
     public void Prev_Click_InvokesOnPrevious()
     {
@@ -49,6 +52,7 @@ public class KeysetPagerTests : BunitContext
         Assert.True(fired);
     }
 
+    /// <summary>Verifies that clicking Next invokes the OnNext callback.</summary>
     [Fact]
     public void Next_Click_InvokesOnNext()
     {
@@ -64,6 +68,7 @@ public class KeysetPagerTests : BunitContext
         Assert.True(fired);
     }
 
+    /// <summary>Verifies that the summary renders the page number and row count.</summary>
     [Fact]
     public void Summary_RendersPageAndRows()
     {
@@ -77,6 +82,7 @@ public class KeysetPagerTests : BunitContext
         Assert.Contains("42 rows", summary.TextContent);
     }
 
+    /// <summary>Verifies that both buttons are disabled when the pager itself is disabled.</summary>
     [Fact]
     public void BothDisabled_WhenDisabled()
     {