diff --git a/src/testdir/Makefile b/src/testdir/Makefile
index 129ecaf..5c629ed 100644
--- a/src/testdir/Makefile
+++ b/src/testdir/Makefile
@@ -80,14 +80,14 @@
 	@-/bin/sh -c "sleep .2 > /dev/null 2>&1 || sleep 1"
 	-$(RUN_VIM) $*.in
 
-	# For flaky tests retry one time.
-	@/bin/sh -c "if test -f test.out -a $* = test61; then \
-		  if diff test.out $*.ok; \
-		  then echo flaky test ok first time; \
-		  else rm -rf $*.failed $(RM_ON_RUN); \
-			$(RUN_VIM) $*.in; \
-		  fi \
-		fi"
+	# For flaky tests retry one time.  No tests at the moment.
+	#@/bin/sh -c "if test -f test.out -a $* = test61; then \
+	#	  if diff test.out $*.ok; \
+	#	  then echo flaky test ok first time; \
+	#	  else rm -rf $*.failed $(RM_ON_RUN); \
+	#		$(RUN_VIM) $*.in; \
+	#	  fi \
+	#	fi"
 
 	# Check if the test.out file matches test.ok.
 	@/bin/sh -c "if test -f test.out; then \
diff --git a/src/testdir/test80.in b/src/testdir/test80.in
index 406fb6d..e78e921 100644
--- a/src/testdir/test80.in
+++ b/src/testdir/test80.in
Binary files differ
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index 48ab69c..fff9ebd 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -1320,7 +1320,7 @@
   1,$delete
   call job_start('cat test_channel.vim', {'out_io': 'buffer', 'out_name': 'testout'})
   call WaitFor('line("$") > g:linecount')
-  call assert_true(line('$') > g:linecount)
+  call assert_inrange(g:linecount + 1, g:linecount + 2, line('$'))
   bwipe!
 endfunc