patch 8.2.5025: Vim9: a few lines not covered by tests

Problem:    Vim9: a few lines not covered by tests.
Solution:   Add a few tests.
diff --git a/src/version.c b/src/version.c
index ec52074..1b7615c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    5025,
+/**/
     5024,
 /**/
     5023,