test: setup common stability and robustness properties tracking

lib/volume/pvr/Pvr.Quantower.Tests.cs

@@ -135,4 +135,4 @@ public class PvrIndicatorTests
         double val = indicator.LinesSeries[0].GetValue(0);
         Assert.Equal(4.0, val);
     }
-}
+}

lib/volume/pvr/Pvr.Tests.cs

@@ -354,4 +354,4 @@ public class PvrTests
 
         Assert.True(pvr.IsHot);
     }
-}
+}

lib/volume/pvr/Pvr.Validation.Tests.cs

@@ -136,4 +136,4 @@ public class PvrValidationTests
         ValidationHelper.VerifyData(mode1Values.ToArray(), mode3Values, 0, 100, 1e-9);
         ValidationHelper.VerifyData(mode1Values.ToArray(), mode4Values, 0, 100, 1e-9);
     }
-}
+}