AssertionFailureException Update (#257)

Author: landonmsft

src/Microsoft.PowerApps.TestEngine/System/AssertionFailureException.cs

@@ -7,9 +7,18 @@ namespace Microsoft.PowerApps.TestEngine.System
 {
     public class AssertionFailureException : Exception
     {
+        public AssertionFailureException()
+        {
+        }
+
         public AssertionFailureException(string message)
             : base(message)
         {
         }
+
+        public AssertionFailureException(string message, Exception innerException)
+            : base(message, innerException)
+        {
+        }
     }
 }