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.
diff --git a/src/version.c b/src/version.c
index af7afea..b10453e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    991,
+/**/
     990,
 /**/
     989,