patch 8.1.2246: some tests are still in old style

Problem:    Some tests are still in old style.
Solution:   Change a few tests to new style. (Yegappan Lakshmanan)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2246,
 /**/
     2245,
 /**/