[PATCH 1/2] test-lib: use more compact expression in PIPE prerequisite

[Ramsay Jones]

Signed-off-by: Ramsay Jones <ram...@ramsayjones.plus.com>
---
 t/test-lib.sh | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 32f9b2001..9b61f16f7 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1067,14 +1067,8 @@ test_i18ngrep () {
 
 test_lazy_prereq PIPE '
        # test whether the filesystem supports FIFOs
-       case $(uname -s) in
-       CYGWIN*|MINGW*)
-               false
-               ;;
-       *)
-               rm -f testfifo && mkfifo testfifo
-               ;;
-       esac
+       test_have_prereq !MINGW,!CYGWIN &&
+       rm -f testfifo && mkfifo testfifo
 '
 
 test_lazy_prereq SYMLINKS '
-- 
2.14.0