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/testdir/runtest.vim b/src/testdir/runtest.vim
index cca7c75..8314a45 100644
--- a/src/testdir/runtest.vim
+++ b/src/testdir/runtest.vim
@@ -39,6 +39,7 @@
 let done = 0
 let fail = 0
 let errors = []
+let messages = []
 try
   source %
 catch
@@ -57,6 +58,7 @@
     call SetUp()
   endif
 
+  call add(messages, 'Executing ' . test)
   let done += 1
   try
     exe 'call ' . test
@@ -92,9 +94,20 @@
   write
 endif
 
-echo 'Executed ' . done . (done > 1 ? ' tests': ' test')
+let message = 'Executed ' . done . (done > 1 ? ' tests': ' test')
+echo message
+call add(messages, message)
 if fail > 0
-  echo fail . ' FAILED'
+  let message = fail . ' FAILED'
+  echo message
+  call add(messages, message)
 endif
 
+" Append messages to "messages"
+split messages
+call append(line('$'), '')
+call append(line('$'), 'From ' . testname . ':')
+call append(line('$'), messages)
+write
+
 qall!