test: setup common stability and robustness properties tracking

lib/volatility/rsv/Rsv.Quantower.Tests.cs

@@ -323,4 +323,4 @@ public class RsvIndicatorTests
         Assert.True(double.IsFinite(val));
         Assert.True(val > 0, "Trending market with volatility should produce positive RSV");
     }
-}
+}

lib/volatility/rsv/Rsv.Tests.cs

@@ -714,4 +714,4 @@ public class RsvTests
     }
 
     #endregion
-}
+}

lib/volatility/rsv/Rsv.Validation.Tests.cs

@@ -710,4 +710,4 @@ public class RsvValidationTests
         double mean = values.Average();
         return values.Average(v => Math.Pow(v - mean, 2));
     }
-}
+}