patch 8.1.0044: if a test function exists Vim this may go unnoticed

Problem:    If a test function exists Vim this may go unnoticed.
Solution:   Check for a test funtion quitting Vim.  Fix tests that did exit
            Vim.

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    44,
 /**/
     43,
 /**/