Upstream report: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=62542

diff --git a/tests/misc/tee.sh b/tests/misc/tee.sh
index 0b97a9ea3..444cb688a 100755
--- a/tests/misc/tee.sh
+++ b/tests/misc/tee.sh
@@ -99,7 +99,7 @@ dd count=20 bs=100K if=/dev/zero status=none |
   dd count=0 oflag=nonblock status=none
   tee || { cleanup_; touch tee.fail; }
 } >fifo
-test -f tee.fail && fail=1
+test -f tee.fail && fail=1 || cleanup_
 
 # Ensure tee honors --output-error modes
 read_fifo() { timeout 10 dd count=1 if=fifo of=/dev/null status=none & }