test: setup common stability and robustness properties tracking

lib/reversals/pivot/Pivot.Validation.Tests.cs

@@ -259,4 +259,4 @@ public sealed class PivotValidationTests
         }
     }
 
-}
+}

lib/reversals/pivotcam/Pivotcam.Validation.Tests.cs

@@ -273,4 +273,4 @@ public sealed class PivotcamValidationTests
         }
     }
 
-}
+}

lib/reversals/pivotdem/Pivotdem.Validation.Tests.cs

@@ -240,4 +240,4 @@ public sealed class PivotdemValidationTests
         }
     }
 
-}
+}

lib/reversals/pivotfib/Pivotfib.Validation.Tests.cs

@@ -246,4 +246,4 @@ public sealed class PivotfibValidationTests
         }
     }
 
-}
+}

lib/reversals/pivotwood/Pivotwood.Validation.Tests.cs

@@ -254,4 +254,4 @@ public sealed class PivotwoodValidationTests
         }
     }
 
-}
+}

lib/reversals/psar/Psar.Validation.Tests.cs

@@ -210,7 +210,7 @@ public sealed class PsarValidationTests
             highData, lowData,
             0..^0, taOut, out var outRange,
             afStep, afMax);
-        Assert.Equal(Core.RetCode.Success, retCode);
+        Assert.Equal(TALib.Core.RetCode.Success, retCode);
 
         (int offset, int length) = outRange.GetOffsetAndLength(taOut.Length);
         Assert.True(length > 100, $"TALib SAR produced only {length} values");