extensions rework pt1

Raliway.Tests/Results/GeneralUsage.cs

@@ -37,6 +37,7 @@ public class GeneralUsage
         var result = Result.Success()
             .Append(() => Result.Failure<int>(error))
             .Append("test")
+            .Tap(onSuccess: (i, s) => true.ShouldBeFalse("should not reach this path"))
             .Map((i, s) =>
             {
                 true.ShouldBeFalse("should not reach this path");
@@ -85,7 +86,7 @@ public class GeneralUsage
                     return "";
                 }
             );
-        
+
         result.ShouldBe("TEST_1;SOME");
     }