test: setup common stability and robustness properties tracking

lib/volume/pvd/Pvd.Quantower.Tests.cs

@@ -220,4 +220,4 @@ public class PvdIndicatorTests
         double val = indicator.LinesSeries[0].GetValue(0);
         Assert.True(double.IsFinite(val));
     }
-}
+}

lib/volume/pvd/Pvd.Tests.cs

@@ -600,4 +600,4 @@ public class PvdTests
     }
 
     #endregion
-}
+}

lib/volume/pvd/Pvd.Validation.Tests.cs

@@ -375,4 +375,4 @@ public class PvdValidationTests
     }
 
     #endregion
-}
+}