added ordered and AppMetadata fields check to FlightInfo test

Author: cmettler

csharp/test/Apache.Arrow.Flight.Tests/FlightInfoComparer.cs

@@ -34,6 +34,11 @@ public static void Compare(FlightInfo expected, FlightInfo actual)
             Assert.Equal(expected.TotalBytes, actual.TotalBytes);
 
             Assert.Equal(expected.TotalRecords, actual.TotalRecords);
+
+            Assert.Equal(expected.Ordered, actual.Ordered);
+
+            Assert.Equal(expected.AppMetadata, actual.AppMetadata);
+            
         }
     }
 }