patch 8.1.1191: not all debug commands are covered by a test

Problem:    Not all debug commands are covered by a test.
Solution:   Add more tests. (Yegappan Lakshmanan, closes #4282)
diff --git a/src/version.c b/src/version.c
index 1265895..7fc39ae 100644
--- a/src/version.c
+++ b/src/version.c
@@ -772,6 +772,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1191,
+/**/
     1190,
 /**/
     1189,