test: setup common stability and robustness properties tracking

lib/volatility/yzv/Yzv.Quantower.Tests.cs

@@ -337,4 +337,4 @@ public class YzvIndicatorTests
         Assert.True(double.IsFinite(highVolVal));
         Assert.True(highVolVal > lowVolVal, "High volatility regime should produce higher YZV");
     }
-}
+}

lib/volatility/yzv/Yzv.Tests.cs

@@ -608,4 +608,4 @@ public class YzvTests
     }
 
     #endregion
-}
+}

lib/volatility/yzv/Yzv.Validation.Tests.cs

@@ -314,4 +314,4 @@ public class YzvValidationTests
     }
 
     #endregion
-}
+}