tests: make test_must_fail more verbose

diff --git a/t/t4016-diff-quote.sh b/t/t4016-diff-quote.sh
index 55eb5f83f17c0ebfb537d390fd3913b7c89d65f4..34e5144eed8958a3f3341574ff8ecbcc6a4157a9 100755 (executable)
--- a/t/t4016-diff-quote.sh
+++ b/t/t4016-diff-quote.sh
@@ -14,7 +14,7 @@ P2='pathname with SP'
 P3='pathname
 with LF'
 : 2>/dev/null >"$P1" && test -f "$P1" && rm -f "$P1" || {
-       say 'Your filesystem does not allow tabs in filenames, test skipped.'
+       skip_all='Your filesystem does not allow tabs in filenames, test skipped.'
        test_done
 }