Fixing Guid serialization for Mongo tests

Author: tiksn

TIKSN.Framework.IntegrationTests/ServiceProviderFixture.cs

@@ -6,6 +6,9 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Localization;
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization;
+using MongoDB.Bson.Serialization.Serializers;
 using TIKSN.Data.Mongo;
 using TIKSN.Data.RavenDB;
 using TIKSN.DependencyInjection;
@@ -63,6 +66,8 @@ public void CreateHost(string key, Action<HostBuilderContext, ContainerBuilder>
             })
             .Build();
 
+        BsonSerializer.TryRegisterSerializer(new GuidSerializer(GuidRepresentation.Standard));
+
         this.hosts.Add(key, host);
 
         static Dictionary<string, string> GetInMemoryConfiguration() => new()