Enable registered services to dispose asynchronously, where possible

Author: Bart Koelman

test/NoEntityFrameworkTests/WorkItemTests.cs

@@ -163,7 +163,7 @@ protected override HttpClient CreateClient()
 
         private async Task RunOnDatabaseAsync(Func<AppDbContext, Task> asyncAction)
         {
-            using IServiceScope scope = _factory.Services.CreateScope();
+            await using AsyncServiceScope scope = _factory.Services.CreateAsyncScope();
             var dbContext = scope.ServiceProvider.GetRequiredService<AppDbContext>();
 
             await asyncAction(dbContext);

test/TestBuildingBlocks/IntegrationTestContext.cs

@@ -130,7 +130,7 @@ public void ConfigureServicesAfterStartup(Action<IServiceCollection> servicesCon
 
         public async Task RunOnDatabaseAsync(Func<TDbContext, Task> asyncAction)
         {
-            using IServiceScope scope = Factory.Services.CreateScope();
+            await using AsyncServiceScope scope = Factory.Services.CreateAsyncScope();
             var dbContext = scope.ServiceProvider.GetRequiredService<TDbContext>();
 
             await asyncAction(dbContext);