patch 9.0.0249: no test for what 9.0.0234 fixes

Problem:    No test for what 9.0.0234 fixes.
Solution:   Add a test. (issue #10950)
diff --git a/src/version.c b/src/version.c
index 0a3d26b..22ad9aa 100644
--- a/src/version.c
+++ b/src/version.c
@@ -732,6 +732,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    249,
+/**/
     248,
 /**/
     247,