tests and cleanup

quantower/Statistics/SlopeIndicator.cs

@@ -13,6 +13,7 @@ public class SlopeIndicator : IndicatorBase
     public SlopeIndicator()
     {
         Name = "SLOPE - Trend Slope";
+        Description = "Measures the rate of change in price over a specified period, indicating trend strength and direction.";
         SeparateWindow = true;
     }
 
@@ -21,4 +22,4 @@ public class SlopeIndicator : IndicatorBase
         slope = new(Period);
         MinHistoryDepths = slope.WarmupPeriod;
     }
-}
+}