patch 8.0.1186: still quite a few old style tests

Problem:    Still quite a few old style tests.
Solution:   Convert old to new style tests. (Yegappan Lakshmanan)
            Avoid ringing the bell while running tests.
diff --git a/src/testdir/Make_ming.mak b/src/testdir/Make_ming.mak
index c5a5dc0..ecfa97e 100644
--- a/src/testdir/Make_ming.mak
+++ b/src/testdir/Make_ming.mak
@@ -68,7 +68,7 @@
 fixff:
 	-$(VIMPROG) -u dos.vim $(NO_INITS) "+argdo set ff=dos|upd" +q *.in *.ok
 	-$(VIMPROG) -u dos.vim $(NO_INITS) "+argdo set ff=unix|upd" +q \
-		dotest.in test60.ok test_listchars.ok \
+		dotest.in test_listchars.ok \
 		test_wordcount.ok
 
 clean: