code reviews

lib/errors/mape/Mape.Tests.cs

@@ -22,7 +22,7 @@ public class MapeTests
         Assert.Contains("Mape", mape.Name, StringComparison.Ordinal);
 
         mape.Update(100, 105);
-        Assert.NotEqual(0, mape.Last.Time);
+        Assert.NotEqual(0, mape.Last.Value);
     }
 
     [Fact]
@@ -386,4 +386,4 @@ public class MapeTests
         // Over-prediction should have higher MAPE due to smaller denominator
         Assert.True(overPrediction.Value > underPrediction.Value);
     }
-}
+}