diff --git a/server/tests/Vanguard.Rules.Tests/GameEngineTests.cs b/server/tests/Vanguard.Rules.Tests/GameEngineTests.cs
index 41ab589..b95efe6 100644
--- a/server/tests/Vanguard.Rules.Tests/GameEngineTests.cs
+++ b/server/tests/Vanguard.Rules.Tests/GameEngineTests.cs
@@ -864,15 +864,17 @@ public class GameEngineTests
                 "круг", StringComparison.OrdinalIgnoreCase) < 0)
         {
             var cardIndex = engine.State.PendingChoice.Options
+                .ToList()
                 .FindIndex(option => option.Label.Contains("Flogal"));
-            Assert.GreaterOrEqual(cardIndex, 0);
+            Assert.True(cardIndex >= 0);
             Assert.True(engine.Execute(new ChooseCommand(cardIndex)).Accepted);
         }
 
         Assert.NotNull(engine.State.PendingChoice);
         var circleIndex = engine.State.PendingChoice!.Options
+            .ToList()
             .FindIndex(option => option.Slot == 2);
-        Assert.GreaterOrEqual(circleIndex, 0);
+        Assert.True(circleIndex >= 0);
         Assert.True(engine.Execute(new ChooseCommand(circleIndex)).Accepted);
 
         Assert.Equal(