test: setup common stability and robustness properties tracking

lib/volatility/tr/Tr.Quantower.Tests.cs

@@ -293,4 +293,4 @@ public class TrIndicatorTests
         // TR = max(10, 60, 50) = 60
         Assert.Equal(60.0, secondTr, 10);
     }
-}
+}

lib/volatility/tr/Tr.Tests.cs

@@ -530,4 +530,4 @@ public class TrTests
     }
 
     #endregion
-}
+}

lib/volatility/tr/Tr.Validation.Tests.cs

@@ -672,7 +672,7 @@ public class TrValidationTests
         double[] output = new double[high.Length];
 
         var retCode = Functions.TRange<double>(high, low, close, 0..^0, output, out var outRange);
-        Assert.Equal(Core.RetCode.Success, retCode);
+        Assert.Equal(TALib.Core.RetCode.Success, retCode);
 
         int lookback = Functions.TRangeLookback();
 
@@ -713,4 +713,4 @@ public class TrValidationTests
                 $"TR mismatch at {qIdx}: QuanTAlib={qOutput[qIdx]:G17}, Tulip={outputs[0][i]:G17}");
         }
     }
-}
+}