vim-patch:7.4.991

Problem:    When running new style tests the output is not visible.
Solution:   Add the testdir/messages file and show it.  Update the list of
            test names.

096c8bb40d

src/nvim/version.c

@@ -133,7 +133,7 @@ static int included_patches[] = {
   // 994 NA
   // 993,
   // 992 NA
-  // 991,
+  991,
   // 990 NA
   989,
   // 988 NA