Use system time in Orleans test silo

server/tests/Vanguard.Server.Tests/OrleansMatchTests.cs

@@ -1,8 +1,6 @@
 using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Logging;
 using Orleans.Hosting;
 using Orleans.TestingHost;
-using Vanguard.Rules.Cards;
 using Vanguard.Rules.Engine;
 using Vanguard.Server.Configuration;
 using Vanguard.Server.Matches;
@@ -14,17 +12,14 @@ namespace Vanguard.Server.Tests;
 
 public class OrleansMatchTests
 {
-    private static readonly DateTimeOffset Start = new(2026, 10, 21, 12, 0, 0, TimeSpan.Zero);
-
     [Fact]
     public async Task Grain_Initializes_Attaches_And_Submits_Intent()
     {
-        var time = new FakeTimeProvider(Start);
         var connections = new MatchConnectionRegistry();
         var results = new RecordingResultSink();
 
         var builder = new TestClusterBuilder();
-        SiloConfigurator.Set(time, connections, results);
+        SiloConfigurator.Set(connections, results);
         builder.AddSiloBuilderConfigurator<SiloConfigurator>();
         var cluster = builder.Build();
 
@@ -80,36 +75,26 @@ public class OrleansMatchTests
 
     private sealed class SiloConfigurator : ISiloConfigurator
     {
-        private static FakeTimeProvider _time = null!;
         private static IMatchConnectionRegistry _connections = null!;
         private static IMatchResultSink _results = null!;
 
         public static void Set(
-            FakeTimeProvider time,
             IMatchConnectionRegistry connections,
             IMatchResultSink results)
         {
-            _time = time;
             _connections = connections;
             _results = results;
         }
 
         public void Configure(ISiloBuilder siloBuilder)
         {
-            siloBuilder.ConfigureLogging(logging =>
-            {
-                logging.ClearProviders();
-                logging.AddConsole();
-                logging.SetMinimumLevel(LogLevel.Debug);
-            });
-
             siloBuilder.ConfigureServices(services =>
             {
                 var options = ServerTestData.SmallOptions();
 
                 services.AddSingleton(ServerTestData.Catalog);
                 services.AddSingleton(options);
-                services.AddSingleton<TimeProvider>(_time);
+                services.AddSingleton(TimeProvider.System);
                 services.AddSingleton<IMatchResultSink>(_results);
                 services.AddSingleton<IMatchStore, NullMatchStore>();
                 services.AddSingleton<IMatchConnectionRegistry>(_connections);