patch 8.1.1211: not all user command code is tested

Problem:    Not all user command code is tested.
Solution:   Add more tests.
diff --git a/src/version.c b/src/version.c
index 86a074b..dbf577d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1211,
+/**/
     1210,
 /**/
     1209,