patch 7.4.1118
Problem:    Tests hang in 24 line terminal.
Solution:   Set the 'more' option off.
diff --git a/src/testdir/runtest.vim b/src/testdir/runtest.vim
index 2a9231a..686a4df 100644
--- a/src/testdir/runtest.vim
+++ b/src/testdir/runtest.vim
@@ -84,6 +84,7 @@
 endif
 
 " Locate Test_ functions and execute them.
+set nomore
 redir @q
 function /^Test_
 redir END