patch 8.2.0322: Vim9: error checks not tested

Problem:    Vim9: error checks not tested.
Solution:   Add more test cases.  Avoid error for function loaded later.
diff --git a/src/version.c b/src/version.c
index beceb6d..258cab2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    322,
+/**/
     321,
 /**/
     320,