Revert "Turn scope by default for testing purposes"

This reverts commit bd6134c.

Author: javiercn

src/Middleware/Diagnostics/src/ExceptionHandler/ExceptionHandlerOptions.cs

@@ -22,7 +22,7 @@ public class ExceptionHandlerOptions
     /// replace it on <see cref="HttpContext.RequestServices"/> when re-executing the request to handle an error.
     /// </summary>
     /// <remarks>The default value is <see langword="false"/>.</remarks>
-    public bool CreateScopeForErrors { get; set; } = true;
+    public bool CreateScopeForErrors { get; set; }
 
     /// <summary>
     /// The <see cref="RequestDelegate" /> that will handle the exception. If this is not

src/Middleware/Diagnostics/test/UnitTests/ExceptionHandlerMiddlewareTest.cs

@@ -396,29 +396,7 @@ private class TestServiceProvider : IServiceProvider
     {
         public object GetService(Type serviceType)
         {
-            if (serviceType == typeof(IServiceScopeFactory))
-            {
-                return new TestServiceScopeFactory();
-            }
-
             throw new NotImplementedException();
         }
     }
-
-    private class TestServiceScopeFactory : IServiceScopeFactory
-    {
-        public IServiceScope CreateScope()
-        {
-            return new TestServiceScope();
-        }
-    }
-
-    private class TestServiceScope : IServiceScope
-    {
-        public IServiceProvider ServiceProvider => new TestServiceProvider();
-
-        public void Dispose()
-        {
-        }
-    }
 }