Tests should always stop (#11338)

Content.IntegrationTests/PoolManagerTestEventHandler.cs

@@ -1,4 +1,6 @@
-using NUnit.Framework;
+using System;
+using System.Threading.Tasks;
+using NUnit.Framework;
 
 [assembly: Parallelizable(ParallelScope.Children)]
 
@@ -7,6 +9,26 @@ namespace Content.IntegrationTests;
 [SetUpFixture]
 public sealed class PoolManagerTestEventHandler
 {
+    // This value is double the usual time for Content Integration tests
+    private static TimeSpan MaximumTotalTestingTimeLimit => TimeSpan.FromMinutes(7);
+    private static TimeSpan HardStopTimeLimit => MaximumTotalTestingTimeLimit.Add(TimeSpan.FromMinutes(1));
+    [OneTimeSetUp]
+    public void Setup()
+    {
+        // If the tests seem to be stuck, we try to end it semi-nicely
+        _ = Task.Delay(MaximumTotalTestingTimeLimit).ContinueWith(_ =>
+        {
+            PoolManager.Shutdown();
+        });
+
+        // If ending it nicely doesn't work within a minute, we do something a bit meaner.
+        _ = Task.Delay(HardStopTimeLimit).ContinueWith(_ =>
+        {
+            var deathReport = PoolManager.DeathReport();
+            Environment.FailFast($"Tests took way too ;\n Death Report:\n{deathReport}");
+        });
+    }
+
     [OneTimeTearDown]
     public void TearDown()
     {