patch 8.2.2994: various code is not fully tested

Problem:    Various code is not fully tested.
Solution:   Add a few more tests. (Yegappan Lakshmanan, closes #8378)
diff --git a/src/version.c b/src/version.c
index b685257..58bd420 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2994,
+/**/
     2993,
 /**/
     2992,