patch 7.4.1419
Problem:    Tests slowed down because of the "not a terminal" warning.
Solution:   Add the --not-a-term command line argument.
diff --git a/src/testdir/Makefile b/src/testdir/Makefile
index 6d98a80..49a817a 100644
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -52,7 +52,7 @@
 
 RM_ON_RUN = test.out X* viminfo
 RM_ON_START = tiny.vim small.vim mbyte.vim mzscheme.vim lua.vim test.ok benchmark.out
-RUN_VIM = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(VIMPROG) -f -u unix.vim -U NONE --noplugin -s dotest.in
+RUN_VIM = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(VIMPROG) -f -u unix.vim $(NO_PLUGIN) -s dotest.in
 
 clean:
 	-rm -rf *.out *.failed *.res *.rej *.orig test.log messages $(RM_ON_RUN) $(RM_ON_START) valgrind.*
@@ -118,7 +118,7 @@
 # New style of tests uses Vim script with assert calls.  These are easier
 # to write and a lot easier to read and debug.
 # Limitation: Only works with the +eval feature.
-RUN_VIMTEST = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(VIMPROG) -f -u unix.vim -U NONE --noplugin
+RUN_VIMTEST = VIMRUNTIME=$(SCRIPTSOURCE); export VIMRUNTIME; $(VALGRIND) $(VIMPROG) -f -u unix.vim $(NO_PLUGIN)
 
 newtests: newtestssilent
 	@/bin/sh -c "if test -f messages && grep -q 'FAILED' messages; then cat messages && cat test.log; fi"