tests: suppress warning for old sync(1)

Old sync(1) prints a warning which looks ugly among our
test output: "sync: ignoring all arguments"

Seen on travis, Ubuntu <= 14.04 (Trusty).

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>

diff --git a/tests/functions.sh b/tests/functions.sh
index ef11a893e9edb554bf146273dbcda9d9f6be19fd..d1c97e0b6faecec4ca896da93b5ddc333a5f09da 100644 (file)
--- a/tests/functions.sh
+++ b/tests/functions.sh
@@ -635,7 +635,7 @@ function ts_fstab_open {
 
 function ts_fstab_close {
        echo "# -->" >> /etc/fstab
-       sync /etc/fstab
+       sync /etc/fstab 2>/dev/null
 }
 
 function ts_fstab_addline {
@@ -669,7 +669,7 @@ function ts_fstab_clean {
 s/# <!-- util-linux.*-->//;
 /^$/d" /etc/fstab
 
-       sync /etc/fstab
+       sync /etc/fstab 2>/dev/null
        ts_unlock "fstab"
 }