Work around npgsql/efcore.pg#2891

tests/Aspire.Components.Common.Tests/ConformanceTests.cs

@@ -362,6 +362,8 @@ private void SkipIfJsonSchemaPathNotSet()
     [InlineData(false)]
     public void ConnectionInformationIsDelayValidated(bool useKey)
     {
+        SetupConnectionInformationIsDelayValidated();
+
         var builder = Host.CreateEmptyApplicationBuilder(null);
 
         string? key = useKey ? "key" : null;
@@ -387,6 +389,8 @@ private static string GetRepoRoot()
         return directory!;
     }
 
+    protected virtual void SetupConnectionInformationIsDelayValidated() { }
+
     // This method can have side effects (setting AppContext switch, enabling activity source by name).
     // That is why it needs to be executed in a standalone process.
     // We use RemoteExecutor for that, but it does not support abstract classes

tests/Aspire.Npgsql.EntityFrameworkCore.PostgreSQL.Tests/ConformanceTests_Pooling.cs

@@ -1,6 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Collections;
 using Aspire.Components.Common.Tests;
 using Aspire.Components.ConformanceTests;
 using Microsoft.AspNetCore.Diagnostics;
@@ -108,6 +109,18 @@ protected override void TriggerActivity(TestDbContext service)
         }
     }
 
+    // workaround https://github.com/npgsql/efcore.pg/issues/2891 by clearing the cache so the test is fresh
+    protected override void SetupConnectionInformationIsDelayValidated()
+    {
+#pragma warning disable EF1001 // Internal EF Core API usage.
+        var cache = (IDictionary)typeof(ServiceProviderCache)
+            .GetField("_configurations", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)!
+            .GetValue(ServiceProviderCache.Instance)!;
+#pragma warning restore EF1001 // Internal EF Core API usage.
+
+        cache.Clear();
+    }
+
     [Theory]
     [InlineData(true)]
     [InlineData(false)]